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Moxon Bros Building Blog

Waterproofing Your Bathroom

Aden Moxon - Wednesday, October 17, 2018
Waterproofing Your Bathroom - blog post image

 

Waterproofing a bathroom involves installing a waterproof barrier around the walls and floor in your bathroom to protect the structure of the house from moisture which, if not done properly, can ultimately lead to the structural rot and disastrous consequences.

There are waterproofing regulations in place as set out by the Building Code of Australia and Australian Standards (AS 3740-1994). In short, they require that:

 

  • In the shower, the whole floor must be waterproof and the shower walls should be waterproofed up to 1800mm.
  • The walls need to be waterproofed up to 150mm.
  • If the bathroom floor is made of or contains wood or if the bathroom is on the second story or higher, the whole floor must be waterproofed. - Over the step down to the floor should be waterproofed to 100mm.