1.13 the pipes to penetrate through walls, floors or beams must be hundreds of casing (PIPE SLEEVE).Made with steel pipe pipe size larger than the 2 embedded in the section of the building.Fits directly to punch through If the floor is wet on a regular basis, such as a bathroom floor.Roofing slabs or casing pipe must be of type% waterproof outer skin permeation of both and.The inside of the casing pipe and casing pipes% hakboriwen band is building.To embed a while pouring concrete, building elements, cast.
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