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Roof panel waterproof design needs attention
Aug 31, 2018

Roof panel waterproof design needs attention

The waterproof layer of aerated concrete roof slab is not only the waterproofing requirement of buildings, but also an important measure for maintaining aerated concrete roof slabs. Because the board is narrow and the side of the board is butt jointed, the overall rigidity is poor. Therefore, if the linoleum is directly laid on the roof panel, the following points should be noted in the design:

1. The waterproof layer of aerated concrete roofing panel should have better overall rigidity except that it should have better waterproof function. The overall rigidity of the board must be well combined with the main structure. Strengthen the union between the side seams. If the gap is small and the usual cement mortar is used for filling, the metal sheet subjected to anti-rust treatment should be nailed between the joints, or the mortar should be bonded.

2. In the flat roof, it is usually not found on the upper part of the roof panel and the structure is used to find the slope. As long as the support slopes are flat and flat, the flatness of the board surface can be ensured and the linoleum can be laid.

3. Before the aerated concrete roof panel is made of linoleum, there is usually no gas barrier layer on the upper part. The function of the gas barrier on the reinforced concrete roof is to prevent the moisture in the room from penetrating into the insulation through the reinforced concrete roof panel, which affects the heat preservation effect. However, the aerated concrete roof panel itself is the insulation material, so it is separated in the upper part. The gas layer has lost its meaning.

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