Skip to main content

Trusted By Engineers & Suppliers

  • 1
    CLT Floor Ambient
  • 2
    CLT Floor Fire
  • 3
    CLT Floor Point Load
  • 4
    CLT Wall Ambient
  • 5
    CLT Wall Fire
  • 6
    CLT Beam
  • 7
    CLT Shear Wall
  • 8
    GLT Beam
  • 9
    GLT Column
  • 10
    GLT Beam Penetration
  • 11
    Member Design Calculator
  • 12
    CLT Diaphragm
CLT Floor Ambient​

The CLT Floor Ambient Calculator enables CLT floors’ fast & efficient design under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • For the European region, designs can be made according to nine national annexes (BS EN, DIN EN, NF EN, DK EN, NEN EN, UNE EN, UNI EN, SS EN, SFS EN) and one user-defined annex as an additional NA
  • Choose between manual input or a preferred partner supplier
  • Vibration methods include Hamm et al.2010, FP Innovations and Revised Eurocode 23
  • Users can choose between default or manual load combinations, plus input design forces
  • Default load combination depends on the selected imposed load, snow load, and design equations if applicable
  • Analytical methods for panel properties include shear analogy, gamma, and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration
  • The user can choose the load combination to view the action effects plot (bending moment, shear force, deflection)
  • Verification is performed for each combination of action effects, and finally, the critical one governs

Learn More
CLT Floor Fire​

The CLT Floor Ambient Calculator enables the fast & efficient design of CLT floors under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Vibration methods include FP Innovations, Modified Eurocode 5 & Draft Eurocode 5
  • Users can choose between default or manual load combinations, plus input design forces
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration

Learn More
 CLT Floor Point Load

Designing CLT floors exposed to concentrated loads can be designed quickly and effectively with the help of the CLT Floor Ambient Point Load Calculator. This calculator has the following features:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or preferred partner supplier
  • Dynamic interactive image for a point load application
  • Effective width and load propagation calculation according to pro:Holz
  • Users can choose between default or manual load combinations, plus input design forces
  • Analytical method for panel properties includes, shear analogy, gamma , and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection

Learn More
CLT Wall Ambient

The CLT Wall Ambient Calculator enables the fast & efficient design of CLT walls under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Users can choose between default or manual load combinations, plus input design forces
  • Platform and Balloon type of construction are available
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for axial force, bending moment, and combined effect

CLT Wall Fire

The CLT Wall Fire Calculator enables a quick and effective post fire CLT wall design. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • EN 1995-1-2:2020 used for charring calculation
  • Users can choose between default or manual load combinations, plus input design forces
  • Platform and Balloon type of construction are available
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for axial force, bending moment, and combined effect

CLT Beam

The CLT Beam calculator can be used for quick and effective design of a beam made of CLT material. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • FPinnoviation and pro:Holz manual used for In-plane shear study
  • Only simply supported beams are covered
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for shear force and bending moment
  • Service verification for deflection

CLT Shear Wall

CLT Toolbox has introduced a powerful software solution designed specifically for the efficient design of CLT shear walls. Features of this software include:

  • Ability to design CLT shear walls using three different design codes: EN 1995:2004, AS 1720:2010, and NZS AS 1720:2022.
  • Comprehensive strength verifications for both CLT members and connectors.
  • Evaluation of compression, tension, and shear forces at the base of the wall or connection level, informed by cutting-edge research from Casagrande et al. (2016), Wallner-Novak et al. (2013), Tomasi (2014), Pei et al. (2012), and Reynolds et al. (2017).
  • In-plane shear verifications conducted according to the Cross-Laminated Timber Design Manual Volume 1 (ProHolz Austria) and the Canadian CLT Handbook, 2019.
  • Lateral deformations of CLT shear walls computed using methodologies from ProHolz and FP Innovations Canada.
  • Explicit buckling checks exclusive to EN 1995:2004, ensuring the stability and safety of the design.

GLT Beam

The GLT Beam Calculator simplifies the design of a structural beam made from GLT material. This calculator’s features include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Support stiffness check for floor vibration
  • EN 1995-1-2:2004 used for charring calculation
  • Design for ambient and fire condition in one
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration

GLT Column

A GLT column can be designed efficiently with the assist of the GLT Column Calculator. The features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • EN 1995-1-2:2004 used for charring calculation
  • Design for ambient and fire condition in one
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for axial force, bending moment, and combined effect

GLT Beam Penetration

The GLT Beam Penetration Calculator simplifies the design process for structural beams with penetrations. The features of this calculator are as follows:

  • Design Standards: Adheres to Eurocode (prEN 1995:2023) or AS 1720:2010/NZ WDG Ch12.6.
  • Material Input Options: Choose between manual input or a preferred partner supplier.
  • Penetration Shapes: Covers rectangular and circular-shaped penetrations up to five penetrations.
  • Beam Type: Focuses exclusively on simply supported beams.
  • Load Combinations: Offers input design forces.
  • Strength Verification: Includes built-in checks for geometric limitations, tension capacity, flexural capacity, and shear capacity.
  • Reinforcement Check: Provides screw reinforcement geometry and design checks.

Member Design Calculator

The Member Design Calculator simplifies the design of axially loaded members. This calculator’s features include:

  • Design Standards: Adheres to AS 1720:2010 and EN 1995:2024.
  • Material Input Options: Choose between standard materials or manually input supplier-specific properties.
  • Strength Verification: Includes checks for bending, shear, compression, tension, and stability.
  • Comprehensive Analysis Summary: Generates summaries of material properties, design utilization, and key results.
  • Dynamic Visuals: Provides real-time diagrams of axial force application, section views, and other critical factors.
  • Versatile Applications: Suitable for residential, commercial, and industrial projects

 

CLT Diaphragm

The Diaphragm Design Calculator is an essential tool for engineers working on Cross-Laminated Timber (CLT) diaphragm design, making the process intuitive and efficient. Features of this calculator include:

  • Design Standard: Compliant with EN 1995:2004, ensuring adherence to established design codes.
  • Dynamic Visuals: Allows users to select single or multiple diaphragms, adjust orientation in both X and Y directions, and choose from various panel connection types like spline, half-lap, and butt joints.
  • In-plane Bending Strength: Accurately calculates the diaphragm’s bending capacity for reliable performance.
  • In-plane Stiffness: Ensures the diaphragm meets serviceability requirements for long-term durability.
  • Serviceability Checks: Performs comprehensive performance evaluations under expected loads to ensure safe operation.
  • Joint Force Determination: Analyzes shear forces along the joints and per fastener, ensuring structural integrity.
  • In-plane Shear Check: Evaluates tension and compression within the diaphragm system for optimized design and load distribution.
  • Output Summary: Provides a detailed summary of in-plane bending, shear, deflection, tension, and compression, aiding in decision-making.

1
CLT Floor Ambient
CLT Floor Ambient​

The CLT Floor Ambient Calculator enables CLT floors’ fast & efficient design under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • For the European region, designs can be made according to nine national annexes (BS EN, DIN EN, NF EN, DK EN, NEN EN, UNE EN, UNI EN, SS EN, SFS EN) and one user-defined annex as an additional NA
  • Choose between manual input or a preferred partner supplier
  • Vibration methods include Hamm et al.2010, FP Innovations and Revised Eurocode 23
  • Users can choose between default or manual load combinations, plus input design forces
  • Default load combination depends on the selected imposed load, snow load, and design equations if applicable
  • Analytical methods for panel properties include shear analogy, gamma, and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration
  • The user can choose the load combination to view the action effects plot (bending moment, shear force, deflection)
  • Verification is performed for each combination of action effects, and finally, the critical one governs

Learn More
2
CLT Floor Fire
CLT Floor Fire​

The CLT Floor Ambient Calculator enables the fast & efficient design of CLT floors under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Vibration methods include FP Innovations, Modified Eurocode 5 & Draft Eurocode 5
  • Users can choose between default or manual load combinations, plus input design forces
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration

Learn More
3
CLT Floor Point Load
 CLT Floor Point Load

Designing CLT floors exposed to concentrated loads can be designed quickly and effectively with the help of the CLT Floor Ambient Point Load Calculator. This calculator has the following features:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or preferred partner supplier
  • Dynamic interactive image for a point load application
  • Effective width and load propagation calculation according to pro:Holz
  • Users can choose between default or manual load combinations, plus input design forces
  • Analytical method for panel properties includes, shear analogy, gamma , and extended gamma
  • Strength verification for shear force and bending moment
  • Service verification for deflection

Learn More
4
CLT Wall Ambient
CLT Wall Ambient

The CLT Wall Ambient Calculator enables the fast & efficient design of CLT walls under ambient conditions. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Users can choose between default or manual load combinations, plus input design forces
  • Platform and Balloon type of construction are available
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for axial force, bending moment, and combined effect

5
CLT Wall Fire
CLT Wall Fire

The CLT Wall Fire Calculator enables a quick and effective post fire CLT wall design. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • EN 1995-1-2:2020 used for charring calculation
  • Users can choose between default or manual load combinations, plus input design forces
  • Platform and Balloon type of construction are available
  • Analytical methods for panel properties include, shear analogy, gamma , and extended gamma
  • Strength verification for axial force, bending moment, and combined effect

6
CLT Beam
CLT Beam

The CLT Beam calculator can be used for quick and effective design of a beam made of CLT material. Features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • FPinnoviation and pro:Holz manual used for In-plane shear study
  • Only simply supported beams are covered
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for shear force and bending moment
  • Service verification for deflection

7
CLT Shear Wall
CLT Shear Wall

CLT Toolbox has introduced a powerful software solution designed specifically for the efficient design of CLT shear walls. Features of this software include:

  • Ability to design CLT shear walls using three different design codes: EN 1995:2004, AS 1720:2010, and NZS AS 1720:2022.
  • Comprehensive strength verifications for both CLT members and connectors.
  • Evaluation of compression, tension, and shear forces at the base of the wall or connection level, informed by cutting-edge research from Casagrande et al. (2016), Wallner-Novak et al. (2013), Tomasi (2014), Pei et al. (2012), and Reynolds et al. (2017).
  • In-plane shear verifications conducted according to the Cross-Laminated Timber Design Manual Volume 1 (ProHolz Austria) and the Canadian CLT Handbook, 2019.
  • Lateral deformations of CLT shear walls computed using methodologies from ProHolz and FP Innovations Canada.
  • Explicit buckling checks exclusive to EN 1995:2004, ensuring the stability and safety of the design.

8
GLT Beam
GLT Beam

The GLT Beam Calculator simplifies the design of a structural beam made from GLT material. This calculator’s features include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • Support stiffness check for floor vibration
  • EN 1995-1-2:2004 used for charring calculation
  • Design for ambient and fire condition in one
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for shear force and bending moment
  • Service verification for deflection and vibration

9
GLT Column
GLT Column

A GLT column can be designed efficiently with the assist of the GLT Column Calculator. The features of this calculator include:

  • Design according to AS1720:2010 and EN 1995-1-1:2004
  • Choose between manual input or a preferred partner supplier
  • EN 1995-1-2:2004 used for charring calculation
  • Design for ambient and fire condition in one
  • Users can choose between default or manual load combinations, plus input design forces
  • Strength verification for axial force, bending moment, and combined effect

10
GLT Beam Penetration
GLT Beam Penetration

The GLT Beam Penetration Calculator simplifies the design process for structural beams with penetrations. The features of this calculator are as follows:

  • Design Standards: Adheres to Eurocode (prEN 1995:2023) or AS 1720:2010/NZ WDG Ch12.6.
  • Material Input Options: Choose between manual input or a preferred partner supplier.
  • Penetration Shapes: Covers rectangular and circular-shaped penetrations up to five penetrations.
  • Beam Type: Focuses exclusively on simply supported beams.
  • Load Combinations: Offers input design forces.
  • Strength Verification: Includes built-in checks for geometric limitations, tension capacity, flexural capacity, and shear capacity.
  • Reinforcement Check: Provides screw reinforcement geometry and design checks.

11
Member Design Calculator
Member Design Calculator

The Member Design Calculator simplifies the design of axially loaded members. This calculator’s features include:

  • Design Standards: Adheres to AS 1720:2010 and EN 1995:2024.
  • Material Input Options: Choose between standard materials or manually input supplier-specific properties.
  • Strength Verification: Includes checks for bending, shear, compression, tension, and stability.
  • Comprehensive Analysis Summary: Generates summaries of material properties, design utilization, and key results.
  • Dynamic Visuals: Provides real-time diagrams of axial force application, section views, and other critical factors.
  • Versatile Applications: Suitable for residential, commercial, and industrial projects

 

12
CLT Diaphragm
CLT Diaphragm

The Diaphragm Design Calculator is an essential tool for engineers working on Cross-Laminated Timber (CLT) diaphragm design, making the process intuitive and efficient. Features of this calculator include:

  • Design Standard: Compliant with EN 1995:2004, ensuring adherence to established design codes.
  • Dynamic Visuals: Allows users to select single or multiple diaphragms, adjust orientation in both X and Y directions, and choose from various panel connection types like spline, half-lap, and butt joints.
  • In-plane Bending Strength: Accurately calculates the diaphragm’s bending capacity for reliable performance.
  • In-plane Stiffness: Ensures the diaphragm meets serviceability requirements for long-term durability.
  • Serviceability Checks: Performs comprehensive performance evaluations under expected loads to ensure safe operation.
  • Joint Force Determination: Analyzes shear forces along the joints and per fastener, ensuring structural integrity.
  • In-plane Shear Check: Evaluates tension and compression within the diaphragm system for optimized design and load distribution.
  • Output Summary: Provides a detailed summary of in-plane bending, shear, deflection, tension, and compression, aiding in decision-making.

  • 1
    Dowels - Steel-Wood-Steel
  • 2
    Dowels - Wood - Steel - Wood
  • 3
    Dowels: Steel - Wood
  • 4
    Dowels: Plywood - Steel
  • 5
    Dowels: Wood-Wood
  • 6
    Dowels: Wood - Wood - Wood
  • 7
    Screws: Laterally loaded steel to timber side grain
  • 8
    Screws: Laterally loaded steel to timber end grain
  • 9
    Screws: Laterally Loaded Timber to Timber Side Grain
  • 10
    Screws: Laterally loaded timber to timber end grain
  • 11
    Screws: Axially Loaded To Side Grain
  • 12
    Screws: Axially Loaded End Grain
  • 13
    CLT - CLT: Half Lap Joint
  • 14
    CLT - CLT: Spline Joint
  • 15
    CLT - CLT: Butt Joint
  • 16
    CLT Compression Perp To Grain
  • 17
    GLT Compression Perp To Grain
  • 18
    GLT Beam Notch
  • 19
    CLT Slab Notch
  • 20
    Slab to Beam Joint calculator
Slab to Beam Joint calculator

The Steel-Wood-Steel Dowel Connection Calculators are designed for scenarios requiring external steel plates with internal timber. They support Steel-Wood-Steel (SWS) member configurations using dowel or bolt connections, combining the strength of steel with the aesthetic and sustainability of timber. The features of these calculators are as follows:

  • Side steel plate can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Supports both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • 2D and 3D dynamic images with detailed member dimensions, grades, thicknesses, and bolt grades
  • Options for various steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • Supplier data for timber materials
  • Ensures structural integrity by combining the benefits of steel and timber

Learn More
Slab to Beam Joint calculator

The wood steel wood calculators are tailored for engineers designing with timber & steel plate connections. The features of these calculators are as follows:

  • Middle steel plate can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Supports both tensile and compressive forces
  • Incorporates various suppliers with manual input for supplier grades and dimensions
  • Double shear case design for WSW connections
  • Options for different steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • User input for the angle between the steel member and steel plate
  • Follows European Yield Model for New Zealand and Eurocode standards
  • Dynamic adjustment of yield failure modes based on bolt thickness and diameter

Learn More
Slab to Beam Joint calculator

The Steel-Wood Dowel Connection Calculators are crafted for engineers needing to integrate timber with steel plates. They support Steel-Wood (SW) member configurations using dowel or bolt connections, providing a comprehensive analysis using the European Yield Model. The features of these calculators are as follows:

  • Steel plates can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Accommodates both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Options for different steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • Supplier grade and dimension inputs
  • User-defined angles between the steel plate and timber member
  • Single shear case design for SW configurations
  • Output summary with all calculations and checks
  • Dimension checks based on standard criteria
  • Strength calculations for design yield moment, rope effect, yield strength, and various brittle failures

Learn More
Slab to Beam Joint calculator

The Plywood-Wood Dowel Connection Calculators are designed for engineers needing to integrate plywood with timber. They support Plywood-Wood (PW) member configurations using dowel or bolt connections, providing a detailed analysis using the European Yield Model. The features of these calculators are as follows:

  • Plywood can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Accommodates both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Options for different suppliers (Timberlink, ASH, CUSP, and Hyne) with manual input for grades and dimensions
  • Single shear case design for PW configurations
  • User-defined angles between the plywood and timber member
  • Dynamic 2D images for visualizing various bolt configurations (uneven, even bolt distribution, and circular bolt distribution)
  • Follows European Yield Model for New Zealand and Eurocode standards

Learn More
Slab to Beam Joint calculator

The Wood-Wood Dowel Connection Calculators are designed for scenarios requiring connections between wood members. They support wood-wood configurations using dowel or bolt connections, providing a comprehensive analysis to ensure safety and compliance with engineering standards. The features of these calculators are as follows:

  • Enables selection design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Dynamic images based on user input, detailing timber member dimensions, supplier grades, bolt diameters, and fastener grades
  • Configuration parameters validated against design criteria through dimension checks
  • Output summary includes checks for member configuration dimensions, yield failure verification, and various brittle failure modes such as row shear, block shear, group tear-out, and net tension
  • Strength calculations cover design yield moment, rope effect, various yield failure modes, and brittle failure modes
  • Supports configurations parallel, perpendicular, or at an angle to the grain
  • European yield failure modes dynamically adjust with changes in bolt thickness and diameter

Slab to Beam Joint calculator

The Wood-Wood-Wood Dowel Connection Calculators are designed for engineers handling wood-to-wood connections, specifically for Wood-Wood-Wood at Angle (Double Shear Case) and Wood-Wood at Angle (Single Shear Case) configurations. The features of these calculators are as follows:

  • Options for parallel-to-grain embedment for members, positioned as middle or side members with variable angles
  • Configuration parameters validated against design criteria through dimension checks
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Dynamic images based on default or user inputs, detailing timber member dimensions, supplier grades, bolt diameters, and fastener grades
  • Accommodates different suppliers with manual input for supplier grades and dimensions
  • Output summary includes checks for member configuration dimensions, yield failure verification, and analysis of various brittle failure modes
  • Strength calculations cover design yield moment, rope effects, different yielding failure modes, and brittle failure modes
  • European yield failure modes dynamically adjust with changes in bolt thickness and diameter

Slab to Beam Joint calculator

The laterally loaded steel to timber side grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be The features of this calculators are as follows:done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, block shear and plug shear checks for multiple fasteners providing the data necessary for informed and reliable design decisions.
  • Can do calculations for steel to timber connections with screws fixed on the end grain direction of the timber.

Slab to Beam Joint calculator

The laterally loaded steel to timber end grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, block shear and plug shear checks for multiple fasteners providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the end grain direction.

Slab to Beam Joint calculator

The laterally loaded timber to timber side grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads.The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, splitting checks for loads at an angle to the grain providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the side grain direction.

Slab to Beam Joint calculator

The laterally loaded timber to timber end grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. Features of this calculator include:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the end grain direction.

Slab to Beam Joint calculator

The Axially Loaded Screws Side Grain Module is a crucial tool for engineers working on connections involving screws subjected to axial loads, as well as inclined screws under axial or lateral loads.

Features of this calculator include:

  • Design axially loaded screws using EN 1995:2004, AS 1720:2010, and prEN 1995:2023.
  • Input screws from leading suppliers such as Rothoblass, Eurotec, Sihga, Spax, and Simpson Strong-Tie.
  • Manual input for screw parameters, including dimensions and material properties.
  • Perform calculations based on the selected supplier’s ETA document or chosen design code.
  • Suitable for both inclined screws and screws fixed perpendicular to the grain direction.
  • Generate dynamic diagrams that update according to input data, visualizing load paths and screw performance.
  • Provide comprehensive summaries, including geometry checks and axial capacity utilization, for informed and reliable design decisions.
  • Perform calculations for timber connections with screws fixed in the side grain direction

Slab to Beam Joint calculator

The Axially Loaded Screws End Grain Module is a crucial tool for engineers designing connections involving screws subjected to axial loads, as well as inclined screws under axial or lateral forces.

Features of this calculator include:

  • Ability to design axially loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from leading suppliers such as Rothoblass, Eurotec, Sihga, Spax, and Simpson Strong-Tie.
  • Manual input of screw parameters, including screw dimensions and material properties, is also possible.
  • Calculations can be performed according to the selected supplier’s ETA document or the chosen design code.
  • Can be used to design both inclined screws and screws fixed perpendicular to the grain direction.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws.
  • Generates comprehensive summaries, including geometry checks and axial capacity utilization, providing the data necessary for informed and reliable design decisions.
  • Capable of performing calculations for timber connections with screws fixed in the end grain direction.

Slab to Beam Joint calculator

The Half-Lap Joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The features of this calculator are as follows:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Gives an option to design using Vertical screws, inclined screws or crossed screw pairs.
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

Slab to Beam Joint calculator

The Spline joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The key features of this calculator include:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Can be used to design an in-plane panel connection by using a spline connector made of plywood or LVL and a screw fastener subjected to lateral loading.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

Slab to Beam Joint calculator

The Butt joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The key features of this calculator include:

  • ability to design in plane panel to panel connections using the two different versions of Eurocode, EN 1995:2004 and prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors

Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

Slab to Beam Joint calculator

The CLT Compression Perpendicular to Grain Calculator is designed for engineers working on the analysis and design of CLT (Cross-Laminated Timber) members under compression loads perpendicular to the grain. This tool ensures accurate assessments and optimized designs in compliance with relevant standards and guidelines. The features of these calculators are as follows:

  • Analyzes CLT members under compression loads perpendicular to the grain.
  • Accommodates various input parameters like member dimensions, load characteristics, and material properties.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic images and diagrams based on user inputs.
  • Generates a detailed output summary, including stress checks and capacity calculations.
  • Offers flexibility in choosing material suppliers and allows manual input of supplier-specific grades and dimensions.

Slab to Beam Joint calculator

The GLT Compression Perpendicular to Grain Calculator is intended for engineers analyzing and designing GLT (Glue-Laminated Timber) members subjected to compression loads perpendicular to the grain. This tool provides precise evaluations and optimized designs, adhering to relevant standards and guidelines. Its features are as follows:

  • Analyzes GLT members under compression loads perpendicular to the grain.
  • Accommodates various input parameters like member dimensions, load characteristics, and material properties.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic images and diagrams based on user inputs.
  • Generates a detailed output summary, including stress checks and capacity calculations.
  • Offers flexibility in choosing material suppliers and allows manual input of supplier-specific grades and dimensions.

Slab to Beam Joint calculator

The Beam Notch Calculator is a specialized tool designed for engineers working on the structural analysis and design of timber beams with notches. The features of this calculator are as follows:

  • Focuses specifically on the structural impact of notches in beams, taking into account the reduced cross-sectional area and stress concentrations that may arise.
  • Accommodates a variety of input parameters, including beam dimensions, notch dimensions, material properties, and applied loads.
  • Offers reinforcement option according to partner ETAs and new draft code, prEN 1995:2023
  • Adheres to the design according to AS 1720:2010, EN 1995:2004 and prEN 1995:2023
  • Provides diagrams and visual representations that adjust based on user inputs
  • Offers the option to select from standard material grades or manually input supplier-specific material properties, enhancing the tool’s applicability to various projects and materials.
  • Generates a thorough summary of the analysis, including stress distribution, Shear checks with and without reinforcement, bending stress check for tapered sections, geometry checks, reinforcement design, and utilization, enabling engineers to make informed design decisions.

Slab to Beam Joint calculator

The Slab Notch Calculator is a specialized tool for engineers designing and analyzing timber slabs under different loading conditions. It focuses on the structural impact of notches, ensuring that designs meet safety and performance standards. Key features of this calculator include:

  • Assesses the structural implications of notches in CLT slabs, considering reduced cross-sectional area and potential stress concentrations.
  • Allows engineers to input slab dimensions, notch dimensions, material properties, and applied loads for tailored analysis.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic diagrams and visual outputs based on user inputs to illustrate notching effects.
  • Generates a comprehensive summary, including stress distribution, capacity checks, and safety factors.
  • Offers options to choose from standard material grades or input specific material properties for wide applicability.

Slab to Beam Joint calculator

The Slab to Beam Joint calculator is a crucial tool for engineers working on floor to Beam connections. The features of this calculator are as follows:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to choose from different CLT suppliers for the floor and from GLT suppliers for the beam.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Gives an option to design using Vertical screws, inclined screws or crossed screw pairs.
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

Dowels - Steel-Wood-Steel

The Steel-Wood-Steel Dowel Connection Calculators are designed for scenarios requiring external steel plates with internal timber. They support Steel-Wood-Steel (SWS) member configurations using dowel or bolt connections, combining the strength of steel with the aesthetic and sustainability of timber. The features of these calculators are as follows:

  • Side steel plate can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Supports both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • 2D and 3D dynamic images with detailed member dimensions, grades, thicknesses, and bolt grades
  • Options for various steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • Supplier data for timber materials
  • Ensures structural integrity by combining the benefits of steel and timber

Dowels - Wood - Steel - Wood

The wood steel wood calculators are tailored for engineers designing with timber & steel plate connections. The features of these calculators are as follows:

  • Middle steel plate can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Supports both tensile and compressive forces
  • Incorporates various suppliers with manual input for supplier grades and dimensions
  • Double shear case design for WSW connections
  • Options for different steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • User input for the angle between the steel member and steel plate
  • Follows European Yield Model for New Zealand and Eurocode standards
  • Dynamic adjustment of yield failure modes based on bolt thickness and diameter

Dowels: Steel - Wood

The Steel-Wood Dowel Connection Calculators are crafted for engineers needing to integrate timber with steel plates. They support Steel-Wood (SW) member configurations using dowel or bolt connections, providing a comprehensive analysis using the European Yield Model. The features of these calculators are as follows:

  • Steel plates can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Accommodates both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Options for different steel grades and timber materials, including GLT, LVL, and Sawn Timber
  • Supplier grade and dimension inputs
  • User-defined angles between the steel plate and timber member
  • Single shear case design for SW configurations
  • Output summary with all calculations and checks
  • Dimension checks based on standard criteria
  • Strength calculations for design yield moment, rope effect, yield strength, and various brittle failures

Dowels: Plywood - Steel

The Plywood-Wood Dowel Connection Calculators are designed for engineers needing to integrate plywood with timber. They support Plywood-Wood (PW) member configurations using dowel or bolt connections, providing a detailed analysis using the European Yield Model. The features of these calculators are as follows:

  • Plywood can be positioned parallel, perpendicular, or at an angle to the timber grain
  • Accommodates both tensile and compressive forces
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Options for different suppliers (Timberlink, ASH, CUSP, and Hyne) with manual input for grades and dimensions
  • Single shear case design for PW configurations
  • User-defined angles between the plywood and timber member
  • Dynamic 2D images for visualizing various bolt configurations (uneven, even bolt distribution, and circular bolt distribution)
  • Follows European Yield Model for New Zealand and Eurocode standards

Dowels: Wood-Wood

The Wood-Wood Dowel Connection Calculators are designed for scenarios requiring connections between wood members. They support wood-wood configurations using dowel or bolt connections, providing a comprehensive analysis to ensure safety and compliance with engineering standards. The features of these calculators are as follows:

  • Enables selection design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Dynamic images based on user input, detailing timber member dimensions, supplier grades, bolt diameters, and fastener grades
  • Configuration parameters validated against design criteria through dimension checks
  • Output summary includes checks for member configuration dimensions, yield failure verification, and various brittle failure modes such as row shear, block shear, group tear-out, and net tension
  • Strength calculations cover design yield moment, rope effect, various yield failure modes, and brittle failure modes
  • Supports configurations parallel, perpendicular, or at an angle to the grain
  • European yield failure modes dynamically adjust with changes in bolt thickness and diameter

Dowels: Wood - Wood - Wood

The Wood-Wood-Wood Dowel Connection Calculators are designed for engineers handling wood-to-wood connections, specifically for Wood-Wood-Wood at Angle (Double Shear Case) and Wood-Wood at Angle (Single Shear Case) configurations. The features of these calculators are as follows:

  • Options for parallel-to-grain embedment for members, positioned as middle or side members with variable angles
  • Configuration parameters validated against design criteria through dimension checks
  • Design according to AS 1720:2010 , NZS AS 1720:2023 , and EN 1995:2004
  • Dynamic images based on default or user inputs, detailing timber member dimensions, supplier grades, bolt diameters, and fastener grades
  • Accommodates different suppliers with manual input for supplier grades and dimensions
  • Output summary includes checks for member configuration dimensions, yield failure verification, and analysis of various brittle failure modes
  • Strength calculations cover design yield moment, rope effects, different yielding failure modes, and brittle failure modes
  • European yield failure modes dynamically adjust with changes in bolt thickness and diameter

Screws: Laterally loaded steel to timber side grain

The laterally loaded steel to timber side grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be The features of this calculators are as follows:done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, block shear and plug shear checks for multiple fasteners providing the data necessary for informed and reliable design decisions.
  • Can do calculations for steel to timber connections with screws fixed on the end grain direction of the timber.

Screws: Laterally loaded steel to timber end grain

The laterally loaded steel to timber end grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, block shear and plug shear checks for multiple fasteners providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the end grain direction.

Screws: Laterally Loaded Timber to Timber Side Grain

The laterally loaded timber to timber side grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads.The features of this calculators are as follows:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, splitting checks for loads at an angle to the grain providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the side grain direction.

Screws: Laterally loaded timber to timber end grain

The laterally loaded timber to timber end grain module is a crucial tool for engineers working on connections with screws subjected to lateral loads. Features of this calculator include:

  • ability to design laterally loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws
  • Generates comprehensive summaries, including geometry checks and shear capacity utilization, providing the data necessary for informed and reliable design decisions.
  • Can do calculations for timber connections with screws fixed on the end grain direction.

Screws: Axially Loaded To Side Grain

The Axially Loaded Screws Side Grain Module is a crucial tool for engineers working on connections involving screws subjected to axial loads, as well as inclined screws under axial or lateral loads.

Features of this calculator include:

  • Design axially loaded screws using EN 1995:2004, AS 1720:2010, and prEN 1995:2023.
  • Input screws from leading suppliers such as Rothoblass, Eurotec, Sihga, Spax, and Simpson Strong-Tie.
  • Manual input for screw parameters, including dimensions and material properties.
  • Perform calculations based on the selected supplier’s ETA document or chosen design code.
  • Suitable for both inclined screws and screws fixed perpendicular to the grain direction.
  • Generate dynamic diagrams that update according to input data, visualizing load paths and screw performance.
  • Provide comprehensive summaries, including geometry checks and axial capacity utilization, for informed and reliable design decisions.
  • Perform calculations for timber connections with screws fixed in the side grain direction

Screws: Axially Loaded End Grain

The Axially Loaded Screws End Grain Module is a crucial tool for engineers designing connections involving screws subjected to axial loads, as well as inclined screws under axial or lateral forces.

Features of this calculator include:

  • Ability to design axially loaded screws using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to input screws from leading suppliers such as Rothoblass, Eurotec, Sihga, Spax, and Simpson Strong-Tie.
  • Manual input of screw parameters, including screw dimensions and material properties, is also possible.
  • Calculations can be performed according to the selected supplier’s ETA document or the chosen design code.
  • Can be used to design both inclined screws and screws fixed perpendicular to the grain direction.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the axial performance of screws.
  • Generates comprehensive summaries, including geometry checks and axial capacity utilization, providing the data necessary for informed and reliable design decisions.
  • Capable of performing calculations for timber connections with screws fixed in the end grain direction.

CLT - CLT:  Half Lap Joint

The Half-Lap Joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The features of this calculator are as follows:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Gives an option to design using Vertical screws, inclined screws or crossed screw pairs.
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

CLT - CLT: Spline Joint

The Spline joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The key features of this calculator include:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Can be used to design an in-plane panel connection by using a spline connector made of plywood or LVL and a screw fastener subjected to lateral loading.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

CLT - CLT: Butt Joint

The Butt joint calculator is a crucial tool for engineers working on floor to floor or wall to wall in plane connections. The key features of this calculator include:

  • ability to design in plane panel to panel connections using the two different versions of Eurocode, EN 1995:2004 and prEN 1995:2023.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to choose from different CLT floor suppliers
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors

Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

CLT Compression Perp To Grain

The CLT Compression Perpendicular to Grain Calculator is designed for engineers working on the analysis and design of CLT (Cross-Laminated Timber) members under compression loads perpendicular to the grain. This tool ensures accurate assessments and optimized designs in compliance with relevant standards and guidelines. The features of these calculators are as follows:

  • Analyzes CLT members under compression loads perpendicular to the grain.
  • Accommodates various input parameters like member dimensions, load characteristics, and material properties.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic images and diagrams based on user inputs.
  • Generates a detailed output summary, including stress checks and capacity calculations.
  • Offers flexibility in choosing material suppliers and allows manual input of supplier-specific grades and dimensions.

GLT Compression Perp To Grain

The GLT Compression Perpendicular to Grain Calculator is intended for engineers analyzing and designing GLT (Glue-Laminated Timber) members subjected to compression loads perpendicular to the grain. This tool provides precise evaluations and optimized designs, adhering to relevant standards and guidelines. Its features are as follows:

  • Analyzes GLT members under compression loads perpendicular to the grain.
  • Accommodates various input parameters like member dimensions, load characteristics, and material properties.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic images and diagrams based on user inputs.
  • Generates a detailed output summary, including stress checks and capacity calculations.
  • Offers flexibility in choosing material suppliers and allows manual input of supplier-specific grades and dimensions.

GLT Beam Notch

The Beam Notch Calculator is a specialized tool designed for engineers working on the structural analysis and design of timber beams with notches. The features of this calculator are as follows:

  • Focuses specifically on the structural impact of notches in beams, taking into account the reduced cross-sectional area and stress concentrations that may arise.
  • Accommodates a variety of input parameters, including beam dimensions, notch dimensions, material properties, and applied loads.
  • Offers reinforcement option according to partner ETAs and new draft code, prEN 1995:2023
  • Adheres to the design according to AS 1720:2010, EN 1995:2004 and prEN 1995:2023
  • Provides diagrams and visual representations that adjust based on user inputs
  • Offers the option to select from standard material grades or manually input supplier-specific material properties, enhancing the tool’s applicability to various projects and materials.
  • Generates a thorough summary of the analysis, including stress distribution, Shear checks with and without reinforcement, bending stress check for tapered sections, geometry checks, reinforcement design, and utilization, enabling engineers to make informed design decisions.

CLT Slab Notch

The Slab Notch Calculator is a specialized tool for engineers designing and analyzing timber slabs under different loading conditions. It focuses on the structural impact of notches, ensuring that designs meet safety and performance standards. Key features of this calculator include:

  • Assesses the structural implications of notches in CLT slabs, considering reduced cross-sectional area and potential stress concentrations.
  • Allows engineers to input slab dimensions, notch dimensions, material properties, and applied loads for tailored analysis.
  • Adheres to the design according to AS 1720:2010 and EN 1995:2023
  • Provides dynamic diagrams and visual outputs based on user inputs to illustrate notching effects.
  • Generates a comprehensive summary, including stress distribution, capacity checks, and safety factors.
  • Offers options to choose from standard material grades or input specific material properties for wide applicability.

Slab to Beam Joint calculator

The Slab to Beam Joint calculator is a crucial tool for engineers working on floor to Beam connections. The features of this calculator are as follows:

  • ability to design in plane panel to panel connections using three different design codes: EN 1995:2004, AS 1720:2010, prEN 1995:2023.
  • Ability to choose from different CLT suppliers for the floor and from GLT suppliers for the beam.
  • Calculations can be done according to the selected supplier’s ETA document or according to the selected design code.
  • Ability to input screws from different leading suppliers such as Rothoblass, Eurotec, Sihga, Spax and Simpson’s Strong Tie.
  • Manual input of screw parameters such as screw dimensions, and screw material properties is also possible.
  • Provides dynamic diagrams that update according to input data, offering clear visualization of load paths and the performance of screws
  • Gives an option to design using Vertical screws, inclined screws or crossed screw pairs.
  • Provides a clear and detailed check for the screw spacing, edge and end distances according to the selected analytical method
  • Gives an option for a continuous flooring for longer span floors and discrete option for shorter span floors
  • Generates comprehensive summaries, including geometry checks and lateral capacity utilization, providing the data necessary for informed and reliable design decisions.

Sign Up For Free Version

Design Infrastructure For Mass Timber

Make mass timber an accessible tool. 

Software saves time for engineers making mass timber a true option for all projects. 

Leverage the best design computations. 

Take advantage of the world’s best design methods and third party review process. 

Optimise for the most cost effective solution.

Calculation confidence improves efficiency on design, improving cost effectiveness for your clients.

Don’t worry about calculation maintenance. 

Suppliers can change their design data and design methods update. This results in maintenance costs that are not necessary for engineers to burden. 

Delegate with confidence. 

Controlled peer reviewed software enables engineers to delegate to team members with calculation confidence.  
Sign Up for Free

Our latest Blog

View All Blogs

Design With Supplier Partners Or Flexibly With Manual Input

Flexibly Choose Option For Member & Connection Options

Design In Accordance To National Annexes & Languages

National Annexes

Languages

Not A Black Box

  • Dynamic imagery for simple understanding
  • Education On Inputs
  • Transparent Calculations That Are Easy To Follow
  • Understand supply chain availability

We provide the education that was missing at university.

At CLT Toolbox, we simplify mass timber design by providing the missing education and resources that engineers need to confidently navigate the design process.

Our app includes lectures for each calculator, summarised resources for context on each input, and transparency, so you know what the mass timber software is doing. With our app, engineers can quickly and accurately design mass timber structures with confidence.

Register For 3-month Free Trial

Transparent, streamlined and intuitive calculation routines.

CLT Toolbox simplifies mass timber design software, making it accessible to any structural engineer. Our transparent calculation routines are not a black box, allowing you to follow the design methods.

We also provide up-to-date supply chain availability and supplier contacts, enabling streamlined supply procurement.

CLT Toolbox provides the necessary CLT design constraints with transparent design methods to automate mass timber design.

See the Calculator Previews

Collaborate with colleagues.

Engineers don’t work in isolation, they work as a team. The ability to share projects and assign computations with colleagues is crucial to enable collaboration on projects.

CLT Toolbox provides the ability to collaborate successfully with your colleagues.

Register For A 1 Month Free Trial

Reliable best practice design methods.

CLT Toolbox is your one-stop-shop for staying up-to-date with the evolving field of mass timber design with CLT design software. We bring together the best practice resources from around the world, and our calculations are third-party reviewed by world-class timber specialists to ensure their accuracy.

See the Calculator Preview

Testimonials

Engineers – Access For FREE

Choose Your Location

FREE (Coming Soon)

$0

For structural engineers looking to design with mass timber. The free version gives access to:

Features:

  • Access to 4 Member Design calculators.
  • Access to 6 screw design modules.
  • Access to 1 dowel calculator.
  • Access to supplier partners who are on the Free Version
Access For Free

PRO

$3500 AUD/LICENSE YEARLY

$350 AUD/MONTH

For structural engineers looking to design with mass timber. The pro version gives access to:

Everything in the free version plus:

  • Access to all calculators on the platform
  • Access to “manual input” for flexibility for design with fully supply chain.
  • Access to Basic Member Partner’s data on the CLT Toolbox platform.
  • Unlimited access to all analytical methods of the CLT Toolbox platform.
  • Unlimited access across geographies.
  • Inclusion of advanced analysis features.
Choose Plan

ENTERPRISE

CONTACT US

For companies looking for multiple license deals across their company.

Everything in the free version plus:

  • Add your own suppliers.
  • Add your own grades.
  • Unlimited licenses for your company.
  • Significant license discounts.
Contact Us

FREE

$0

For structural engineers looking to design with mass timber. The extended free version made available by:

Features:

  • Access to 4 Member Design calculators including CLT Floor Design, CLT Wall Design, CLT Floor Fire Design, & GLT Beam Design
  • Access to 17 dowel design calculators.
  • Access to 1 screw calculator.
  • Access to Premium Supplier Partner’s product data in calculations.
Access For Free

PRO

$3500 AUD/LICENSE

For structural engineers looking to design with mass timber. The pro version gives access to:

Everything in the free version plus:

  • Access to “manual input” for flexibility for design with fully supply chain.
  • Access to Basic Member Partner’s data on the CLT Toolbox platform.
  • Unlimited access to all analytical methods of the CLT Toolbox platform.
  • Unlimited access across geographies. 
  • Inclusion of advanced analysis features. 

20% discount sponsored by:

Just email us your TDS (ENZ)  membership number and we’ll give you the discount.

Choose Plan

ENTERPRISE

CONTACT US

For companies looking for multiple license deals across their company.

Everything in the free version plus:

  • Additional Enterprise portal to view & access all projects and calculations saved by a company. 
  • Ability to input company logo on all project reporting. 
  • Significant bulk discount on multiple licenses for your company. 
Contact Us

FREE

$0

For structural engineers looking to design with mass timber. The free version gives access to:

Features:

  • Access to 4 Member Design calculators.
  • Access to 6 screw design modules.
  • Access to 1 dowel calculator.
  • Access to supplier partners who are on the Free Version
Access For Free

PRO

€2000 LICENSE YEARLY OR

€200 MONTHLY

For structural engineers looking to design with mass timber. The pro version gives access to:

Everything in the free version plus:

  • Access to all calculators on the platform
  • Access to “manual input” for flexibility for design with fully supply chain.
  • Access to Basic Member Partner’s data on the CLT Toolbox platform.
  • Unlimited access to all analytical methods of the CLT Toolbox platform.
  • Unlimited access across geographies.
  • Inclusion of advanced analysis features.
Choose Plan

ENTERPRISE

CONTACT US

For companies looking for multiple license deals across their company.

Everything in the free version plus:

  • Add your own suppliers.
  • Add your own grades.
  • Unlimited licenses for your company.
  • Significant license discounts.
Contact Us

We are excited to begin our USA & Canadian beta program in approximately September-October this year.

We’re currently deep into building the software to the ICC international Building Code (ICC).

We’re busy incorporating to specifications as outlined in the PRG 320.
We’re looking to partner with engineers & suppliers who are excited by collaborating in building the infrastructure for USA & Canada that can help make mass timber a mainstream material. Contact us if you would like to participate. 

Contact Us

We are excited to begin our USA & Canadian beta program in approximately September-October this year.

We’re currently deep into building the software to the ICC international Building Code (ICC).

We’re busy incorporating to specifications as outlined in the PRG 320.

We’re looking to partner with engineers & suppliers who are excited by collaborating in building the infrastructure for USA & Canada that can help make mass timber a mainstream material. Contact us if you would like to participate. 

Contact Us

Contact Us







    Subscribe To Mailing List