Traditional Culture Encyclopedia - Traditional festivals - Why do you have to make small holes in the wall before tiling? Is it the same as sprinkling water before tiling?
Why do you have to make small holes in the wall before tiling? Is it the same as sprinkling water before tiling?
The two are different. First of all, when you say digging a hole in the wall, you call it a nap. Not all walls need this step. The purpose of napping is to enhance the friction between tiles and walls and prevent tiles from falling off easily after being pasted.
Sprinkling water on the wall is to enhance the humidity of the wall, so that the cement can easily increase the contact force with the wall and prevent the tiles from falling off.
What's more, the back of the tile is brushed for the same purpose. This situation is an individual case.
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