Ideal sealant backer rods for highway construction, glazing applications, curtain wall partitions, panel systems, parking decks, and more. Helps to limit sealant depth, extend life of sealant, and prevent side-bottom adhesion. Non-gassing, non-exuding, and will not stain or adhere to sealant. For use with cold applied sealants including self-levelling. Ensure joints are clean and dry before installation. Refer to sealant manufacturer when determining backer rod depth. Rod diameter 1 inch. Roll length: 100 feet. Meets all requirements set forth by the 1990 Clean Air Act. Find more top-quality highway construction supplies and safety equipment at 95TSS.