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Vapour barrier requirements

This informative guide provides the compliance requirements outlined in NCC 2019 Volume Two for vapour barrier and damp-proofing membranes for all Class 1 buildings and Class 10 buildings where a Class 1 slab is continued.

When constructing vapour barriers, it is critical you use the right materials and understand the NCC regulations that govern this area. Our experts are here to help you make the correct decisions. 

By explaining the specific requirements concerning the materials you must use, this guide will help you understand your obligations and the effects of these choices on residential buildings.  

The guide will also assist you to recognise appropriate technical information to ensure the products comply with the NCC and relevant Australian Standards.

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Who is it for?

Building Professionals

This guide will take you through the compliance of damp-proofing, vapour barrier membranes and material requirements. It’s designed for building professionals, contractors, designers and tradespeople who need to understand their obligations.

What does it include?

  • National Construction Code (NCC) requirements
  • Vapour barriers and damp-proofing membranes
  • South Australia and New South Wales variations
  • Materials compliance requirements
  • Evidence of suitability provisions.

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