How can the steel roof be made waterproof, insulated and anticorrosive? Elaborate paint and steps
In the waterproof treatment area with a two layer top surface coating or coating the surface coating, total rate of 35 square meters (two /20 l recommend brushing, keep the total coating rate unchanged).
Metal roof gutter: gutter joint, water hole at the first local waterproof metal roofing system, and then to a greater range of waterproof coating a layer of paint, it is still in the wet laid polyester sewing cloth, and then from the above goal with good slurry fully infiltrated sewing polyester cloth, and the whole stem.
Clean the rust area with rust removing sand until it is metallic. Then apply a base coat.2. remove frozen objects, dust, and other dirt.3. replace the rusted firmware and add the firmware in place.