Do I need to use a Vapour Permeable Membrane??
It has recently come to my attention through Zara D’Cotta from The Healthy Home’s Healthy Buildings Mastermind course that one of Australia’s largest volume builders were not aware that they were required by the current NCC (NCC 2019) to install vapour permeable membranes on some of their projects. The building code changes every 3 years, […]
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