What kind of material is good for steel roof waterproof layer?
A high quality waterproof coating made from pure acrylic emulsion and high quality pigments and fillers. It is made of waterproof fabric material made of stitched polyester cloth.
Behind the brush surface, so doing down is a systemic waterproof, general dealers do not do this, manufacturers are doing directly. Because the dealer can't sell because the price is too high. Manufacturers generally guarantee the quality of 10 years, life expectancy of 25 years.
Generally three parts, first, the base layer, the middle polyester cloth plays the role of reinforcement.
