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As this resource explains, there are two primary documents that apply when constructing a wet area: the National Construction Code (NCC) and the Australian Standard AS 3740 – Waterproofing of domestic wet areas. Both documents contain information pertaining to materials and methods required when waterproofing.
The resource outlines the requirements contained in the NCC across Volumes 1 and 2. It also provides information on associated plumbing and drainage requirements in the Plumbing Code of Australia (PCA) for floor waste gullies.
This resource clarifies when a floor waste is required and what the floor grading requirements are.
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This resource is designed for builders and industry professionals who want to understand when floor wastes in bathrooms and other wet areas are required.