Thermal Calculations & Section J Compliance

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Improving your energy efficiency is the first and most important step toward adopting renewable energy. The more efficient use of energy throughout Australia results in less money spent on energy by homeowners, schools, government agencies, businesses, and industries.

The National Construction Code (NCC), incorporating the Building Code of Australia (BCA), requires that building work on Classes 2-9 buildings meet minimum energy efficiency requirements under its Section J Energy Efficiency provisions. To comply, Building Certifiers and Certifying Authorities require Energy Efficiency Performance Assessment Reports to be prepared, assessing the building against the Deemed-to-Satisfy Provisions or using energy modelling at the Construction Certificate stage.

Fletcher Insulation utilises Section J to complete thermal calculations for wall, floor and roof system applications, which are subsequently provided to Architects and Energy Consultants.

Thermal calculations are used to obtain the thermal resistance for wall, floor and roof systems. These calculations take into account elements such as:

Of course, all buildings – residential, commercial and industrial – have different energy efficiency requirements. Selecting the correct type of insulation for multiple building applications can be difficult. With this in mind, Fletcher Insulation offers the services of its National Specifier Advisory Team who are able to assist with specifying the correct insulation system to meet thermal, acoustic and fire requirements as mandated by Australian Building Codes and Standards including Section J.

Additionally, Fletcher Insulation makes available FletcherSpec™ Pro, an online program allowing users to self-construct thermal calculations within minutes. Click here to learn more about FletcherSpec™ Pro. Alternatively, you may get in touch with your local Specification Representative by phoning Fletcher Insulation on 1300 654 444.

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