The following are a small number of pdf technical drawings demonstrating detail for waterproofing to AS3740:

Int-002A-Shower Over Bath

Int-018A-Step Down Enclosed Shower

Int-023A-Typical Bond Breaker

The following links provide information to State authorities whom act as “Building Code Police”:

Victorian Building Authority (VBA):
Domestic Building Dispute Resolution Victoria

NSW Office of Fair Trading: 

Queensland Building and Construction Commission (QBCC):

South Australian Building Commission:

Western Australia Building Commission:  

Tasmanian Consumer, Building & Occupational Services (CBOS) :

Members access

Members can look up the latest information as applicable to BCA and Standards Australia.

A full range of pdf drawings are available for:

  • AS3740 – Internal Wet Areas
  • AS4654 – External Waterproofing
  • Below Ground Waterproofing