A clear, premium grade, water based, UL Classified duct liner adhesive specifically formulated for spray, brush, roller and coil line applications. DP 2500 Clear eliminates many of the issues associated with over-spraying colored duct liner adhesive when fabricating duct, especially exposed duct. It can be used to seal cut edges of fiberglass duct liner. DP 2500 can also be used to bond duct wrap to galvanized duct and for bonding FSK to fiberglass and urethane pipe insulation.