Roofing Calculator

Thermal roofing calculator Create your own roof insulation specification.

Quickly and easily design National Construction Code (NCC) 2016 Section J compliant insulation systems for roofing projects.

Bradford's Roofing Thermal Calculator provides complete thermal calculations for roofing systems that meet the deemed to satisfy requirements of the NCC 2016 Section J for your specific building type, climate zone and system elements. The online thermal calculator helps carry out complex calculations to allow you to quickly and easily design insulation systems for your roofing project.

Start Roofing Thermal Calculator

For help on creating optimised building solutions & specifications for your project, and for NCC 2019 calculations, contact your Bradford representative or contact our DesignSmart Technical Services team:

1800 354 044

Contact DesignSmart

For architects, engineers and builders:

  • Expert insulation advice
  • Project and value engineering support
  • Industry-leading building science research
1800 354 044

Technical Project Support

Bradford has experts located around Australia available to help architects & specifiers with their technical specifications.

Learn more with Bradford's CPD Programs

Bradford offers knowledge training with the additional benefit of accredited CPD points in your office as well as regularly scheduled external events.