The content of this calculator is provided for information purposes only. No claim is made as to the accuracy or authenticity of the content of the calculator. This is not a signed racking certificate.

This tool calculates roof racking rails and fasteners based on user-supplied inputs e.g. wind data and currently available manufacturer data. It is intended only as a guide for qualified structural engineers with knowledge of wind engineering and compliance with AS1170.2 and related Australian Standards.

DesignDevise does not accept liability for any errors, omissions, installation issues, bill of materials, accuracy of results, or any consequences arising from use of this tool. The tool only calculates racking components and does not check the roof, roof sheeting, or supporting structure. It is the responsibility of the engineer of record to verify and certify all design outputs.

By clicking “I Agree”, you acknowledge these limitations and accept full responsibility for use of this tool. If you do not agree, please exit without using it. For formal assessments, or if you are a manufacturer wishing to include your products, please contact us at solar@designdevise.com.au.