This NCC Navigator provides an introduction to thermal bridging and how the NCC addresses it for commercial buildings in NCC Volume One. It explains how to account for thermal bridges when calculating the Total R-Value of certain construction types.…
This case study shows how to calculate the Total R-Value, including thermal bridging, for a wall system in a Class 6 shop located in climate zone 3. The wall component consists of solid concrete on a steel framed wall.
This case study shows how to calculate the Total R-Value, including thermal bridging, for a wall system in a Class 3 residential building located in climate zone 5. The wall component consists of fibre cement cladding on a timber framed wall.
This document explains the requirements for reducing thermal bridging in residential buildings focusing on metal-framed walls, roofs, ceilings and floors. It provides practical guidance on compliance options and methods to improve energy efficiency and…
This report reviews Section J1.6 and Specification J1.6 of the 2016 and 2019 NCC to determine whether it is appropriate to set a different minimum total R-value requirement for floors of small buildings, provide advice on how Specification J1.6 should…
Here are the key changes in residential energy efficiency for NCC 2022.
Building for 7 stars doesn’t have to be costly or complicated. Simple design features and material choices make a big difference to energy efficiency and a home’s energy rating.