Blueskin WB BH200WB4559 Window and Door Flashing, 50 ft L, 4 in W, Blue, Self-Adhesive

Blueskin� WB window and door flashing is a self-adhering membrane consisting of an SBS rubberized asphalt compound, which is integrally laminated to a blue-engineered film. The membrane is specifically designed to be self-adhered to a prepared substrate.