Keep Mother Nature at bay with LePage QUAD Foam. This single component, minimal expansion and low-pressure polyurethane foam sealant specifically designed for use with the LePage QUAD Window & Door System or sealing gaps and cracks, holes and voids around windows and doors. LePage QUAD Foam features a flexible closed-cell structure that blocks out air and water without cracking or drying out and provides an R factor of 5 per inch of cured foam for maximizing energy efficiency. The low-foam pressure and low expansion ensures your windows and doors will not bow or warp. LePage QUAD Foam adheres to all types of building materials including wood, concrete, and drywall and is compatible with asphalt and butyl flexible flashing. It complies with all Federal and State VOC regulations. LePage offers an arsenal of adhesives, caulks, and outdoor construction sealants for the true professional. LePage: Tougher Than the Elements.