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It is estimated that there is a leak in the tile on the floor of your bathroom, slowly leak to the wall, and see if there is any leakage, such as solar energy, toilet inlet pipe, solve the leakage, and the watermark on the wall will slowly disappear.
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It should be permeable bricks, this kind of wall tiles are not good, and they are easy to permeate after being exposed to water, and there will be cracks after a long time.
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The water seeped and the waterproofing was not done well.
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Maybe the bathroom is too damp! Do you have windows in your bathroom? It can be opened for ventilation! You say yes!
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You have to analyze this in many ways, to see if the brick is a wall tile or a floor tile? If the wall is bricked, then see if there is a water pipe behind the brick, this needs to be analyzed on the spot to know the water source.
Generally 4-6 square meters, if the number of its own flat is large, the bathroom must be correspondingly larger, my two bathrooms cover an area of 10 square meters......-The decoration said that my bathroom is too big and a bit of a waste of space.
It's time to knock it off and re-pave it.
It is best to choose the re-paving material by yourself, choose a good material, if it is contracted to an outside master, you may cut corners on the material. Paving should also be supervised. This kind of thing should be taken seriously. >>>More
First, the expansion gap between the floor tiles and the floor tiles and the surrounding walls is too narrow, and when the room temperature changes drastically, the floor, cement layer and ceramic tiles will appear thermal expansion and cold contraction. If the gap is too thin and there is not enough space for the tile to "stretch", the tile is easy to arch, which is generally easy to appear in the northern region, while the south is not easy to appear due to the high humidity and small temperature difference. >>>More
See if it works with laundry detergent If not, you can dilute it with thinner.
The bathroom is small and relatively easy to calculate.
The area is the length multiplied by the width. >>>More