How to make color steel board room waterproof?
Waterproof construction technology:The protrusion 1, metal roof (such as chimneys, vents, fan mouth etc.): cut the size and shape of a suitable sewing polyester cloth, and according to the technical requirements of cutting, the protrusion around is coated with a layer of base paint, cut good sewing polyester cloth on it, and then from above with the primary coating full infiltration sewing polyester cloth, ensure no foaming, wrinkle.2, in the well water treatment area with one or two layer top surface coating, coating the surface coating total rate of 35 square meters (two /20 l recommend brushing, keep the total coating rate unchanged).3. The coating rate of single layer coating is 40 M2 /20 litre, and the utilization ratio of stitched polyester fabric is 90%.
Check the metal roof carefully before construction. Make sure the metal roof is firm, clean, free of rust and without freezing: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.
Waterproof construction waterproof color plate first need to determine the area generally has the following areas: preseal: horizontal and vertical lap lap, fan, air conditioning ducts, pipes, out of roof plate around, roof, gutter, metal plate and screw fixation, parapet junction part metal roofing weak link.
