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Installation method and precautions for waterproof casing

Installation method of waterproof casing

Installation during construction

If the installation after the completion of construction, the need to deal with waterproof casing and concrete two times pouring, this process is very complex. In order to avoid this trouble, waterproof casing should be installed during construction.

Install before installing pipelines

When installing a waterproof casing before installing the pipe, first check to check whether the waterproof casing is intact, if there is damage to be replaced in a timely manner, but also to check whether its size meets the requirements of the drawings, whether to meet the site construction requirements; Secondly, to check whether the pipeline is damaged, there are cracks, sand holes, etc. Again, to check the socket is not in place, the socket itself is dense, firm; Finally, to check whether the pipe slope is suitable, can not be inverted slope, in addition to pay attention to the roof exit of the pipeline slope to increase accordingly.

Precautions for installation of waterproof casing

Non-specification of waterproof casing

On the one hand refers to the thickness of the pipe does not meet the requirements of the drawing of the waterproof casing can not be used; On the other hand, the waterproof casing due to the use of gas cutting pipe caused by the burr at both ends, uneven.

Incorrect reservation position of casing

This is in line with the above waterproof casing to be installed in the construction process, if not in accordance with the principle of installation, it is likely to be reserved for the installation of the casing is not accurate enough, which leads to the whole construction can not be carried out normally.

Floor height unsuitable

The GB50242-2002 specification indicates that a metal casing or plastic casing should be installed where the pipe passes through walls and floors. The casing installed in the floor, its top is above the decorative ground, generally 20 mm; the casing in the bathroom and kitchen is flat to the bottom of the floor, and the top is generally about 50 millimeters above the decorative floor; the casing inside the wall should be consistent with the finishes.

Pay attention to corrosion protection

If the surface of the casing is corrosive, it is necessary to use the plugging material to block the gap. For example, when the installation encountered a concrete wall, and the surface of the casing is corrosive material, which requires the wall to be local to concrete walls, and to ensure that the thickness of the wall, or not to achieve the effect.


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