AS 3740:2021 Waterproofing of Domestic Wet Areas 2.3.5: 2.3.5 Whole bathroom designed as an unenclosed shower

Where the whole bathroom is designed as an unenclosed shower and no screen is installed, the floor substrate beneath the membrane falls at 1:80 or steeper. Notes advise placing the membrane on top of any screed and refer to AS 1428.1 for accessible bathrooms.

Maintained by Gerard Blokdyk

Other controls in Section 2: Design – AS 3740:2021 Waterproofing of Domestic Wet Areas

2.1.1 2.1.1 Design principles: retaining water in the Category 1 area
2.1.2 2.1.2 Material selection: compatibility and resistance to movement and exposure
2.2.1 2.2.1 Enclosed showers: screen prevents water spreading
2.2.2 2.2.2 Unenclosed showers: Type 1 and Type 2 classification
2.3.1 2.3.1 Falls in the substrate under the membrane
2.3.2 2.3.2 Falls in shower floor finishes (Category 1)
2.3.3 2.3.3 Falls in Category 2 floors next to a shower where a floor waste is fitted
2.3.4 2.3.4 Category 3 floors without a floor waste

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The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.

MCP endpoint All AS 3740:2021 Waterproofing of Domestic Wet Areas controls