Ensure your trade people are qualified to carry out your shower tray repair, that they are fully licensed and work o Australian Standards AS3740.
What Are The Basic Requirements of AS 3740 For Your Shower Tray Repair?
- Water does not penetrate from your shower to adjoining rooms or air spaces.
- Moisture does not damage the substrate materials or structure in your home.
- The sealing of wet areas in your home to maintain its integrity for the design life of your building. This is taking into account the relative movement of the building due to: loadings, temperature variations, moisture variations and chemical resistance.
- All your shower compartments must have either a shower tray (prefabricated or in situ) installed beneath the tiling or a preformed shower base.
The Design and Installation Criteria For Your Shower Tray Repair As Per AS 3740
- The most widely used is the internal, in situ formed shower tray.
- The recommended ratio of fall within your shower area is between 1:60 and 1:80.
You can obtain hard copies and PDF copies of AS 3740 2004 from: www.standards.com.au
What Are The Australian Standards For Waterproofing Your Bathroom?
Your shower tray repair must comply with the Building Code of Australia and Australian Standards AS3740-2010 Waterproofing of wet areas in residential buildings.
While your licensed waterproof specialist will know these Australian standards, it’s good for you to also know the minimum requirements.
If you are wary of water damage it can’t hurt to go above the minimum requirements. The cost of your shower tray repair compared to the costs of water damage can be huge!
The Level Your Bathroom Is On Also Affects Your Repair Requirements
If your bathroom is installed on a ground floor, your shower floor and walls must be waterproofed up to 1800mm. The walls encasing your bathroom/shower must be waterproofed up to 150mm. Your Shower hob should be waterproofed up to 100mm.
If your bathroom is on the second floor or higher, your whole floor must also be waterproofed. The same requirement is applicable if your bathroom has timber flooring.
Do You Have A Frameless Shower Screen?
If your showers has a frameless shower screen (wet room), you will need to waterproof the whole bathroom floor as well as the walls up to a 1500mm radius. As the water is not contained within your shower as well as your traditional shower, it is very important the waterproofing of your bathroom is done correctly to prevent water damaging your property in the future.
Can You Waterproof Your Shower Yourself?
In New South Wales, your bathroom must be waterproofed by a technician with a current and valid waterproofing license.
A qualified waterproofer will offer a guarantee for the work they have completed in your bathroom and have insurance for the work they have completed.
How Is Your Shower Tray Repair Done In Australia?
Your bathroom/shower waterproofing in Australia is done in stages.
Before your shower tray is tiled, waterproofing will be applied under the floors and walls. A bathroom membrane is the most common type of waterproofing.
The steps involved in waterproofing your shower/bathroom floor is as follows:
- Tiles that will be waterproofed will be cleaned and primed.
- A waterproof membrane will be applied.
- Drying time will be required – length of time depends from bathroom to bathroom.
- Your floors and walls can be sheeted/tiled.
Sealant will be applied to your shower/bathroom tiles to create a protective barrier.
Silicone is then applied to seal the gaps.