... firm, solid, clean, dry, without dust, granular, oil stain or roughness. Internal and external angles are made into ... after first coating, lay out fiberglass grid fabrics after tack free time (about 4h), followed by second coating; ... after first coating, lay out fiberglass grid fabrics after tack free time (about 4h), followed by second coating; ... 3.3kg/m2. Water Based Rubber Asphalt Waterproof Coating