How To Waterproof A Toilet?

waterproofing of toilet

Waterproofing is essential if you want the interior spaces of your home to remain dry at all times. To summarise, professional waterproofing creates a barrier that prevents water or any liquid substance from entering through the material. This unique property prevents flooding and moisture from building up. If you’re wondering how to waterproof a toilet, there are many things to think through and execute. Firstly you will have to consider how the area will be used along with ensuring that the waterproofing works, in keeping with relevant building regulations. This will ensure that the waterproofing is completed in an efficient and orderly manner. 


Benefits Of Waterproofing 


1. Absorption Of Water Is Greatly Reduced

At ground level, it is imperative to know how to waterproof a toilet because a two to four inches of concrete floor lies beneath the tiling works. When the concrete thickness is too thin, it can be exposed to high-pressure from the ground water below. This can cause leaks and several foundation cracks on the floor surface.

2. Easy Application That Lasts Long

Due to a variety of waterproofing solutions available in the market, a waterproofed bathroom will ensure overall protection and value of your home. This is because they contribute to better durability and longevity in case of natural disaster such as a heavy rainstorm or floods.

3. Resists Humidity 

When you waterproof a toilet, it reduces the humidity inside the house while preventing damage to the indoors from constant exposure to moisture or dampness.

How To Waterproof A Toilet In 4 Steps

Now, let’s take a look at how to waterproof a toilet area in 4 simple steps.

Step 1 - Preparation Of The Area

If you are renovating an old bathroom, all fixtures must be removed before waterproofing and installation. Also, necessary measurements of the area must be taken. This will give you a better idea of the entire space. For the area to be free of debris and other contaminants, the area should be thoroughly cleaned while the walls and floors should be smoothed out if their surfaces are uneven. This is done using a leveling compound or an equipment to level the surface. At the junction between walls and floors, 45 degrees fillets are constructed using a cement mortar to prevent sharp turning of the waterproof coating from floor to wall.

Step 2 - Primer Application 

Before applying the waterproofing coating, a primer should be used. This helps to ensure the substrate is sealed to reduce air escaping from the substrate and enhancing the adhesion of the waterproof coating to the substrate. Using a paint roller or a paintbrush, the primer is gently applied in all four corners of the bathroom and all the areas of the bathroom walls that need to be waterproofed. Once complete, the primer is left to dry.

Step 3 - Waterproofing Agent Is Applied

With a roller or paint brush, the waterproofing agent or coating is painted on all the areas to be waterproofed including all the plumbing fittings and screwed pipes protruding from the walls or floor. The seal obtained from this coating prevents moisture susceptibility and seepage. 

Step 4 - Second Coat Of Waterproofing Agent Applied

Once the first layer of waterproofing coating is dried, a second coating of waterproofing is similarly applied to the entire area as the first coat and left to dry for 24 hours again. The area is now completely waterproofed and ready for the other installations of your new bathroom.

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