Tremco Construction Products Group (CPG) The Tremco Construction Products Group companies together form the industry’s only provider of comprehensive systems and services for all six sides of the building enclosure. Whether new construction or restoration, commercial, residential, in-field or in-plant – structures with Tremco CPG systems are easier to build and maintain, virtually impervious to the elements, and can provide any look desired. For restoration and renovation of existing structures, Tremco CPG’s six-sided solutions deliver demonstrable performance at the lowest possible life-cycle costs, and ensure peace of mind through long-term warranties and maintenance programs. Tremco CPG represents the combined power of Dryvit Systems, Inc., Nudura Inc., Prebuck LLC, Willseal and Tremco Incorporated’s Commercial Sealants & Waterproofing, Roofing & Building Maintenance, along with affiliates Weatherproofing Technologies (WTI) and Weatherproofing Technologies Canada (WTC).