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Anonymous users2024-01-23Because the pipe is a plastic pipe, the pressure should not be very large, so it is recommended to make a wooden hoop at the top of the building, with an area of 30 cm square. Clean the top paint 30 cm square around the pipe, and carefully remove a little gap around the pipe. First, the perimeter of the pipe is blocked with a plugging spirit, and then a certain thickness (about 5 cm) is poured with cement mortar under the roof.
It will affect the discharge, and it is still very affecting.
Generally, the length of the waterproof casing is 25-30cm, minus the thickness of the floor slab, and it is generally exposed 13-18cm
At present, the house and supporting facilities basically belong to individual ownership, the drainage pipe leaks, the main riser belongs to the public facilities and is maintained by the property, the owner has the obligation to cooperate, and the branch pipe leakage who is responsible for the maintenance
Go to the big stationery store and buy a large bottle of oil painting color, the scientific name is acrylic color, and you can brush it with water. The color is optional, recognized as environmentally friendly, dry and not afraid of water, stronger than paint.
It's good to erect a backwater bend to prevent the smell from being reversed.