You want to renovate your bathroom or install a shower? There are a few things to consider. The most important thing is to seal against moisture. Mold develops before you even see it, so do the right thing.
How can you seal everything properly?
Sealing slurries are preferably applied in rooms that are exposed to high levels of moisture, such as bathrooms and showers. Especially if the room does not have a window, special attention must be paid to waterproofing.
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Fixed cement plaster, as is generally recommended for bathrooms, does not have to be removed before tiling. With the right treatment, no water vapor diffuses into the underlying masonry. You only have to prepare the plaster properly in order to be able to apply the sealing slurry correctly.
And this is how you proceed:
The preparation of the subsoil
Remove all loose plastering parts. Cracks, joints or dents must be filled flush with leveling compound beforehand. Then check the strength and absorbency of the wall. Use either a primer or a deep primer (€ 4.99 at Amazon *) to solidify.
Prepare sealing slurry
To prepare the sealing slurry for tiling, mix the product of your choice in a bucket of water. A stirrer and a drill are helpful here (€ 48.00 at Amazon *) . Stir until no more lumps can be seen. The mass must be spreadable, not too thick and not too thin, just like "mud ".
Apply sealing slurry
The ready-mixed sealing slurry is distributed evenly on the wall with a roller, a painter's brush or a brush. Use a sealing tape in corners and edges so that there are no weak points or work in a cove.
In general, a two-coat application is recommended.Every single layer has to dry completely before the next one is applied. Always start with the walls, finish with the floor.