AS 3740-2021

Description

AS 3740 – 2021 Edition – Waterproofing of domestic wet areas

AS 3740 sets out minimum requirements for the materials, design and installation of waterproofing for domestic wet areas.

This document applies to internal wet areas as defined in the National Construction Code (NCC).

NOTE 1 Appendix A provides design considerations for categories of wet area waterproofing.

The following are excluded from the scope of this document:

(a) Situations where flooding of the wet areas occurs through overflowing of vessels or plumbing failures.
(b) Concrete admixtures or penetrant sealers or similar.
(c) Decorative coatings.
(d) Communal or group wet areas such as shower areas as in swimming pool complexes, sporting facilities, steam rooms, and similar situations.

NOTE 2 A suggested checklist of items to be reviewed following installation of waterproofing is provided in Appendix D.
NOTE 3 A method to determine whether the subfloor moisture content is suitable for the installation of waterproof membranes is provided in Appendix F.

General Product Information: