1. Site survey, preparation for construction before waterproofing and maintenance depending on the rainy season;
2. Remove remaining construction debris in the service area, remove and clean residual dust and accumulated debris on the surface of the colored steel plate, as well as the original sealant around the seam of the plate and the anchor nail;
3. Check for damage on the surface of the colored steel plate, and locally cut and grind on the plate where there is rust and severe corrosion, and use a new plate to install and fix it;
4. Check the deformation of colored steel plates and anchor nails, use the technique to physically correct severely deformed places, reattach the anchors where they have fallen off, and then use weatherproof sealing materials to seal them;
5. Check the slope and drainage of the drainage ditch from the colored steel roof. For those with little drainage and frequent water accumulation, the drainage ditch needs to be completely rebuilt. Processing a new slope;
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6. Use a water-dampened mop or towel to clean the surface of the board as a whole to ensure that the base layer is clean;
7. Cut the butyl tape according to the shape and specification of the seams and anchor nails to increase the tightness;
8. Apply Copler flexible waterproof paint over a large area (a large area is sprayed with a spray gun to improve construction efficiency);
9.After processing the component parts, apply Shitu highly elastic waterproofing roofing coating to a large area in separate passes (the construction period should be reasonably organized according to the environmental conditions when painting, and the next painting should be done after the previous one has completely dried);< / p>
10. After the installation of the waterproofing layer is completed, carry out a closed water test, and it is considered qualified if there is no water leakage within 24 hours;
11. Once general construction is complete, take good care to protect materials and equipment as they leave the site and when removing debris.
Henan Weiding Metal Material Co., Ltd. is a high-tech enterprise integrating metal panel production, sales and wall construction. The company is engaged in the supply of metal roofing, metal. Integrated energy-saving finishing system for exterior wall offer solutions.