Bathroom Waterproofing: Find Out Which Products to Use

Antonio Neves
Written by
Antonio Neves
Published on
9/3/2024
Updated on
5/6/2024
Bathroom Waterproofing: Find Out Which Products to Use

Culturally in our country, Brazilians use plenty of water when cleaning bathrooms. Although important for hygiene, this simple practice can jeopardize the coating of the place if a bathroom waterproofing agent has not been applied correctly.

Waterproofing, regardless of what was used, are essential to prevent moisture from causing future problems such as infiltration, filling, and even compromising lower floors or other rooms. Some standards, such as NBR 15.575, 9574 and 9575 aim to establish compliance with the projects of waterproofing in buildings and also the correct execution of waterproofing.

But, after all, how can we protect this space from a Wet area with the protective layers waterproofing agents and ensure that there are no problems that could become serious in the future? In this article, we will present the best ways to do this waterproofing. Check it out!

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Understand the importance of waterproofing for bathrooms

Initially, we may think that this is just an aesthetic issue, after all, nobody wants to see stains, bubbles or molds in their bathroom, right? However, being careful with these types of problems goes far beyond that.

These annoyances are generated by infiltrations or other leaks that managed to reach the internal structure at the time of cleaning and even in the shower vapor, which, in the future, will be condensed and become liquid.

Over time, in addition to shortening the lifespan of your bathroom infrastructure, some of the problems may affect the health of users of Bathroom at risk, since molds, for example, are accumulations of bacteria that cause respiratory diseases. In this way, it is always recommended to carry out the waterproofing of the wall, ceiling and floors from the place.

Generally, the The shower is the only place in the bathroom where waterproofing is required. This is correct, since the place will be exposed to water and temperature variations on a daily basis.

But we must not forget that not only the box is a humid area. The entire bathroom area needs the same care, since cleaning the place can be one of the factors of infiltration and compromise of the entire place.

Discover the types of bathroom waterproofing

According to current Brazilian regulations on waterproofing projects, there are some different products on the market today that can provide the necessary protection for your bathroom.

Among them is resin for polymer mortar, which makes it possible to eliminate the impacts of frequent exposure to water. One of the most common cases of its use is when there are more than two floors in the bathroom, such as the bathing area and the outside, where the toilet, sink and entrance door are located.

Another case that requires the resin for mortar is the division between wall and floor. This is because the encounter between the two structures causes a tensile force between the surfaces, causing cracks when they meet. Therefore, great care must be taken when waterproofing your bathroom.

The preparation of both surfaces, according to NBR 7200, is essential to obtain an effective result that will not cause subsequent rework in the construction. When meeting vertical and horizontal surfaces, it is recommended that a round be made at every corner so that this transition is less abrupt and that the waterproofing agent can follow the movements of each of the surfaces.

As we understand, investing in bathroom waterproofing is much more than simple aesthetic care. It allows you to protect the structure of your home and the quality of life of your family. Blok ST is one of the best products on the market, a resin highly recommended for sealing and eliminating leaks in places like this, in addition to swimming pools, slabs, water tanks, reservoirs, and other places.

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