Color steel roofing waterproof anti-corrosion construction?
After determining the waterproof area, the construction needs to be carefully checked before the construction. Make sure the tile surface is firm, clean and free of rust.1. clean the rust area with rust removing sand until it is metallic, and then apply a base coat.2. remove frozen objects, dust, and other dirt.3. replace the rusted firmware and add the firmware in place.
After doing the basic work, waterproof construction is mainly divided into:1, for protrusions (chimneys, etc.), cut polyester cloth, coated with base paint, polyester cloth and then coated with a layer to ensure smooth;2, in the waterproof area, coated with 2 layers of surface coating;3, surface firmware, coated with 10cm*10cm polyester cloth coated with base coating.
Metal roof joint: metal roof joint first coated with a layer of paint on the base, is still wet, 15 to 20 cm wide sewing polyester cloth embedded therein, then from the above base coating fully infiltrated sewing polyester cloth, and the whole stem.
