Waterproofing

Waterproofing

Waterproofing is required prior to tiling. To protect the house’s structure from moisture, it involves installing a waterproof barrier. Installed around the walls and floors in your bathrooms, Toilets, and all wet areas.

Rules and Regulations in Waterproofing

As set out in Australia’s Building Code and Australian Standards (AS 3740-1994), there are rules to comply with in waterproofing. In brief, they need the following:

  • The entire floor must be waterproof in the shower and the waterproofing of the shower walls should be up to 1800 mm.
  • It is necessary to waterproof the wall and floor Junction up to 100 mm.
  • Waterproof the entire bathroom floor if it is made of wood or if the bathroom is on the second or higher floor.
  • It should have a waterproof water stop for every tiled shower base.

These are the minimum requirements but you may also want the areas around the bath, toilet and vanity unit to be waterproof depending on your needs.

Who can do waterproofing?

The laws on who can perform waterproofing are slightly different between separate Australian states and territories. The individual doing waterproofing in your home needs to carry a present waterproofer license in both Queensland and NSW. In other states, waterproofers must provide a declaration of compliance once the work has been completed. Stating that the work they have achieved is consistent with Australian Standard AS 3740 — Waterproofing of domestic wet areas.

To waterproof your bathroom you will need a skilled and certified waterproofer. While you can get a tradesperson who solely specializes in waterproofing, other traders may also be licensed or certified waterproofers in some cases. For instance, Tilers are also often skilled waterproofers.

Their work should be accompanied by a written workmanship guarantee and a guarantee, so make sure you get them when the job is done.

Even if local laws allow you to do the job on your own, waterproofing is a messy, expensive experience. If wrongly done, it can cause all kinds of issues, ranging from creeping mold infestations to baths crashing through floors. DIY waterproofing is certainly not for the faint of heart!

What is the process of waterproofing?

It is best to perform waterproofing in stages. Some will go down before the floors and walls are completely finished, others will go down after everything is in place. The most important area might be where the walls meet the floors. Any gaps that occur in the waterproofing can cause major structural damage, which is extremely costly to repair.

Use liquid membranes. First, use a primer, then apply the first coat (horizontally) from left to right. In order to capture any tiny holes missing in the first coat, apply the subsequent coat up and down (i.e. vertically).

Silicone sealants are used around fixtures in the bathroom, such as the bath and vanity unit or where floors meet the walls in order to ensure that water does not get behind them. Waterproofing products generally require about a day to dry to guarantee they generate a correct seal-and they should not be disturbed while they are healing.

Want a professional and skilled Waterproofer? We service all these areas and more like Barham, Shepparton, Kerang, Moama Echuca. Call 0417554219 or email us for a quote tiling@norvictiling.com.au.

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