York Seal 40 mil Self-Adhering Flashing - 75' Roll

York Seal is a proprietary, self-adhering composite membrane that combines high strength, low-temperature adhesion, and high-temperature stability to create an exceptional barrier against air and moisture transmission. Featuring a tough 5 mil (0.1mm) high-density polyethylene film, York Seal provides a resilient defense against physical damage. Its proprietary modified asphalt delivers the waterproofing effectiveness of traditional modified bitumen products while maintaining excellent low-temperature adhesion. FEATURES Waterproof and impermeable to moisture Superior adhesion for a fully bonded seal Cross-laminated polyethylene facer for added durability Low-temperature adhesion and flexibility Impermeable to air, moisture vapor, and water BENEFITS Prevents vapor and air transmission through: Masonry curtain walls Construction joints Fittings around doors and windows COMPATIBLE WITH Plywood Lumber Precast concrete Metal Exterior gypsum Concrete block SIZES AND PRODUCT PACKAGING