How to make the waterproof layer of the roof?

Before roof waterproofing, it is necessary to clean the roof base that needs waterproof construction, because in many waterproof construction, some sundries, dust and so on. Should be avoided, and cleaning is more conducive to waterproof construction effect.

2, additional layer construction

Roofing waterproof construction is similar to indoor waterproof construction. Indoor floor drains and water pipes should be painted with emphasis, and the impinges mouth, parapet, cornice, yin and yang angle and other parts of the roof should also be constructed in a targeted manner, which is also called additional layer construction.

3, waterproof material transportation

Roofing construction waterproof needs a lot of materials, especially modified asphalt coiled materials and waterproof coatings, which need to be transported to the construction site in advance, usually by crane.

4, waterproof coiled material shop is stuck

First, lay a layer of waterproofing membrane at the grass-roots level, the thickness should meet the requirements, and the size should be cut according to the roof area. Generally, European-style hot-melt coiled materials are laid, that is, they need to be heated by a flame spray gun for rolling, and the coiled materials are laid from bottom to top at the eaves parallel to the roof direction.

5, hot melt sealing edge

Every lap joint of the coil should be heated and bonded firmly with a spray gun, and the edge end should be filled with sealing paste.

6, brush 1 times waterproof coating.

After the coil laying, the roof should be cleaned again to ensure the clean and dry construction environment. At this time, you can brush the first layer of waterproof paint, and you must cover it for the first time. There must be no omissions, cracks, bubbles and weak adhesion.