... and weathering. 2.use on wood,fibreboard,paper,plaster,concrete,masonry surfacea 3.factory sale Water-repellent ;water-proofing agent ... metope, ground, toilet, basement, warehouse waterproof and reinforced concrete structure of the leakage, safe and convenient to use. ... is diluted after seven times directly spray brush in the concrete, plaster, stones, metope ceramic tile, marble, surface interval ...