AS 3740:2021 Waterproofing of Domestic Wet Areas
Section 3: Materials – AS 3740:2021 Waterproofing of Domestic Wet Areas

AS 3740:2021 Waterproofing of Domestic Wet Areas 3.3.2: 3.3.2 Water-resistant substrates for walls and floors

Used with a water-resistant surface material under 3.3.3, these substrates are deemed water resistant. Walls: concrete to AS 3600; cement render; fibre cement sheet to AS/NZS 2908.2; water-resistant plasterboard to AS/NZS 2588; masonry to AS 3700; structural plywood to AS/NZS 2269 installed to AS 1684.2, .3 or .4. Floors: concrete to AS 3600 and AS 2870; compressed fibre cement sheet to AS/NZS 2908.2; fibre cement sheet on a structural floor; structural plywood as for walls. In every case the substrate must not degrade when exposed to moisture.

Maintained by Gerard Blokdyk

Other controls in Section 3: Materials – AS 3740:2021 Waterproofing of Domestic Wet Areas

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