The australian standard 3740:2021 sets out the requirements for the materials, design and installation of waterproofing for domestic wet areas in residential buildings. All commercial wet areas require graded. Waterproofing of domestic wet areas as 3740:2021 n buildings.
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It was approved on behalf of the council of standards australia on 7 july 2021. Sets out minimum requirements for the materials, design and installation of waterproofing for domestic wet areas in class 1, class 2 and class 4 buildings as defined in the ncc. Home editions of the national construction code national construction code 2022 abcb housing provisions 10 health and amenity part 10.2 wet area waterproofing
Gradient requirements for surface finishes have changed.
Waterproof membranes must be graded to the drain waste puddle flange. Australian standard as 3740:2021 outlines minimum requirements for waterproofing domestic wet areas, covering materials, design, and installation practices for builders and designers. As 3740:2021 [current] waterproofing of domestic wet areas included in waterproofing and tiling set learn more It was approved on behalf of the council of standards australia on this standard was published on 23 july 2021.
It was approved on behalf of the council of standards.
