Tremco Construction Products Group brings together Tremco CPG Inc.’s Commercial Sealants & Waterproofing and Roofing & Building Maintenance divisions; Tremco Barrier Solutions Inc.; Dryvit, Nudura and Willseal brands; Prebuck LLC; Weatherproofing Technologies, Inc.; Weatherproofing Technologies Canada and PureAir Control Services, Inc. Altogether, Tremco CPG companies operate 21 manufacturing facilities, 6 distribution sites, and 3 R&D/technology sites, and employ more than 2,700 people across North America.