CTI provides testing services for waterproofing materials related to building materials and construction projects, waterproofing membranes: elastomer modified asphalt waterproofing membranes, polymer waterproofing materials. Part 1: sheets, self-adhesive polymer modified asphalt waterproofing membranes, polychloride Vinyl (PVC) waterproof membrane, wet-laid waterproof membrane. Waterproof coating: polymer cement waterproof coating, polyurethane waterproof coating, polymer emulsion building waterproof coating.