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The ground needs to be made with a 40-50 thick concrete cushion first, and then waterproofing, waterproof protection, and then floor tiles.
Add a few supporting structures and lay the cushion plate on the top.
The steel structure toilet should also do a good job of waterproofing the bathroom, and the wall should use waterproof materials. If the floor slab is used for the floor deck plate, the falling part of the bathroom can be made of patterned steel plate and concrete, and the thickness of the floor slab is reduced, which is naturally equivalent to the falling plate. >>>More
There are buys in the building materials market. Just ask where you bought cement or paint.
How to waterproof the wall of the bathroom on the second floor. >>>More
Re-do the waterproofing, even if you don't leak at home, it's not cool if your house is full of water. I would like to recommend you a professional waterproof company, Guoerjia Waterproof Engineering Co., Ltd., which has the highest national first-class qualification for building waterproofing, anti-corrosion, thermal insulation and thermal insulation construction service qualification, headquartered in Guangdong, and has a nationwide business.