H2U Window Door and Siding Sealant

OSI H2U Window, Door, Siding and Trim Sealant is a is a high-quality elastomeric sealant designed for the siding and window industries. This unique acrylic urethane formula has better adhesion, flexibility and durability than most sealants in its class, and cleans up easily with soap and water. This water based, low gassing formula is ideal for use indoors and provides the durability, flexibility and adhesive strength needed for outdoor use. OSI H2U dries to a tough rubber like seal and when fully cured it is paintable and will resist surface mold and mildew.