Tag Archives: AS 3740

Your 2026 Guide: What Is Waterproofing Membrane

A waterproofing membrane is a continuous barrier that stops water getting into the structure, and in Australia it sits inside a regulated system under the National Construction Code and AS 3740, not as an optional extra. Waterproofing has also been part of dwelling construction for over 13,000 years, which says a lot about how fundamental […]