What are the key parts of the steel structure factory roof waterproofing?

Waterproofing of steel structure roof is a difficult problem in factory building engineering. Due to the installation and construction, elastic deformation of the roof, and roof vibration, the color steel roof of the steel structure causes water leakage, which is relatively serious. As a system management project, the steel structure roof waterproofing project will affect the quality of the entire steel structure project, resulting in leakage of the project, and even damage to indoor equipment.

The main distribution of water leakage in the roof maintenance system is summarized as follows:

1. The roof ridge part

The main reason for the leakage of this part is: the wave crest at the roof ridge is too high , the roof ridge cover can not guarantee waterproof; the longitudinal overlap does not put glue or silica gel, forming a gap and leaking; there is no plug between the roof ridge cover and the roof panel, or the plug is placed irregularly and falls off to cause water leakage.

2. Part of the gas building

There is no foam plug placed under the receiving edge at the junction of the gas building and the roof, and no glue or silica gel is laid for the longitudinal lap of the receiving edge; There is no upper plate at the junction of the building; the openings of the structural pillars of the gas building are not waterproofed; there is a hidden danger of water leakage in the production and installation of the gas building itself.

3. The part of the lighting board

The shape of the lighting board does not match the roof board shape, the lighting board and the color steel plate are rigidly overlapped, and the gap in the middle Unsealed, and the mastic loses its stickiness as it ages.

4. Gutter part:

The main reason for water leakage in this part is: there are gaps in the welded joints of the inner gutter, resulting in water seepage; gutter and rainwater pipes The design of the pipe diameter is too small and does not match the slope length of the workshop; there is no head plate at the end of the gutter; the length of the roof outer plate extending into the gutter is insufficient, and the water will flow back into the workshop.

5. Cornice part

The main reason for water leakage in this part is: the roof outer panel is installed without foam plug, and the roof outer panel is not lowered; The length of the outer panel of the wall is insufficient, and the cornice is leaked with waterproof edge.

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