About GSSI Sealants by H.B. FullerGSSI Sealants is the brand name for a family of sealant tapes offered by H.B. Fuller. These tapes were developed for building envelope and roofing applications, and glazing and window elements, to provide both waterproofing and weatherproofing. The flagship product in the GSSI line is MB-10A butyl sealant tape. Developed originally for the metal building sector, this product is a trusted solution for sealing metal roofs and metal wall panels. Its properties include strong adhesion and cohesive strength. MB-10A tapes are manufactured in all common sizes. GSSI tapes are UL Classified and have been tested to meet or exceed metal building standards and specifications.To learn more, visit www.hbfuller.com.