OSI QUAD FOAM 21.1 Oz. Window & Door Foam Sealant Brand_Midwest Fastener Quadra Seal technology provides superior

Quadra Seal technology provides superior motor protection over single seal designs

Galvanized Wire Carrying Bail

Full round driver for more consistent flush drive

Learn more about how to install

OSI QUAD FOAM 21.1 Oz. Window & Door Foam Sealant Brand_Midwest Fastener Quadra Seal technology provides superiorA single component, minimal expansion, low pressure polyurethane foam packaged in a pressurized metal container. It is specifically designed for use with the QUAD window installation system. Dispensed in bead form for sealing gaps and cracks, holes and voids around windows and doors in most types of construction projects. Exhibits slight to moderate expansion during application and cures upon reaction with moisture to form a flexible, urethane foam.