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Generally, it is about 3 centimeters - it is the diameter, not the radius, if it is the radius, it is too big, and it will affect the construction later.
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It is usually 20mm, and it is usually used to press a 20mm diameter electric pipe during construction.
1. The base layer is not cleaned before plastering;
2. Insufficient watering of the wall; >>>More
Waterproof is to isolate the underground water, and the shape of the pot has nothing to do with it, the key is to paint evenly, the thickness should be the same, about what shape, as long as it is convenient for the flowing water above, and the underground moisture-proof has nothing to do.
It is to put the water first and then level.
The specific process of home decoration bathroom floor: >>>More
What materials did you use to waterproof your bathroom? If it is a waterproof coating or mortar waterproofing agent, then you can not knock off the non-brushing, you only need to knock off the tile to expose the cement base. Then sweep the base surface and sprinkle it with water to moisten. >>>More
It is very likely that the exterior wall is leaking or the bathroom exhaust well seeps water from the top, more information, better advice, free concrete waterproofing and leakage repair technical advice, to avoid today's repair, tomorrow's leakage, annual repair, annual leakage trouble.