WinterGuard® PRO is an advanced waterproofing underlayment for shingle, metal, slate and tile roofs. It is specifically formulated to resist high roof temperatures under metal roofs. Winterguard PRO is most commonly used in critical areas such as roof eaves, valleys, and as a waterproofing underlayment for low-slope shingle, metal, slate, tile and mechanically-fastened tile roofing applications.
WinterGuard is one of the key components in the CertainTeed Integrity Roof System® which is comprised of underlayments, shingles, accessory products and ventilation all working together. The Integrity Roof System is designed to provide optimum performance-no matter the weather conditions.