To understand insulation and its thermal resistance values, you need to know about thermal conductivity, thermal resistance and thermal transmittance.

Traditional 'cold-roof' construction of flat roofs in New Zealand is being challenged by the thermal and performance benefits of warm roof systems.

Green roofs or living roofs are an obvious, visible and celebrated device in sustainable design. They offer both ecological advantages and some design challenges.

The peace of mind and long-term savings gained from selecting a more reliable membrane system is often underestimated.

PIR insulation board is a multi-functional product that can be effectively installed in various areas of a build for high performance insulation.

While ventilation helps prevent unwanted humidity in the roof space, a comprehensive warm roof system can provide a more complete solution.

CodeMark certification is a way of strongly demonstrating a product's compliance with E2.