Wet Areas at Home That You Should Be Waterproofing

Man doing a waterproofing workWaterproofing is an important aspect of building a house, as it prevents damage caused by excessive moisture. According to the Australian Standard AS 3740-2010, otherwise known as the Australian Standard for Waterproofing of Domestic Wet Areas, a waterproofing system involves the use of methods and products that prevent unwanted water from creating any or further damage to your home. It also enumerates areas in your house that should be waterproofed. Here are some of them:


The AS 3740-2010 standard requires the use of waterproofing products, such as finishes, sealants, bond breakers, membrane, and a substrate. Laundries are at low risk of leaking water into other areas of the house. The combination of the right products can deter unwanted water in the area easily.

Laundries in Australia, however, have the potential to become the dirtiest part of the house. Considering this, a proper flooring material (like linoleum or vinyl) can help to waterproof it. They are easy to waterproof and maintain, as well.

Shower Stalls

Enclosed shower areas have the highest risk of leaking, resulting in water damage. Due to this, the Standard requires its entire floor to be waterproof. Waterproofing the walls should be at the height of 1800mm. The application of tile adhesives, as what Waterproofing Direct explains, should be in horizontal strokes to prevent water flow behind the tiles.


Bathrooms, in general, are at medium risk of causing water leakage and yet it should be the most waterproofed area in your house. In fact, it should be the first step. The walls should be up to 150mm in height, while the step-down floors should be 100mm.

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To know more about the specific rules and regulations about waterproofing wet areas, it’s best to familiarise yourself with the contents of the Australian Standard for Waterproofing of Domestic Wet Areas. Remember, you have to keep the structure of your house free of water and moisture to prevent damage and degradation.

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