... is avirulent insipidity, no corrosion, no pollution, widely used in level, inside and outside metope, ground, toilet, basement, warehouse waterproof ... dry, will surface of cracks, with putty or epoxy resin processing, the deal with crack, with waterproof agent in surface directly ... the cement mortar construction method, level with scraping thickness 1.5 -2.0 cm, in level area of over 100 square meters ...