For sealing windows, doors, and building joints. With proper application, prevents water leaks, air infiltration, and reduces noise. Self-adhered membrane consisting of a SBS rubberized asphalt. Aluminized laminate top surface prevents stretching during installation and allows window wrap to be left uncovered for up to 180 days. Adheres to prepared substrates of plywood, OSB, masonry, aluminum, vinyl, steel, drywall, and housewrap. Impermeable to water, moisture vapor, and air. Self seals around nails and other mechanical fasteners. Covers 300 sq. ft. per carton.
