Tremco Commercial Sealants & Waterproofing, a division of RPM International, manufactures sealants, waterproofing membranes, air barriers and deck coatings for building construction. The company's products protect structures from moisture, air infiltration and corrosion. Solutions include silicone and urethane sealants, self-adhered membranes, fluid-applied membranes, expansion joints and traffic coatings. Tremco collaborates with architects, contractors and building owners to provide system design and technical support.