OSI 1532159 Butyl Window Flashing Tape, 75 ft L, 6 in W, Black, Self Adhesive

Description

OSI? Butyl Flash is a rubberized butyl backed, self-adhering 15 mil membrane. The foil backed exterior allows the flashing to be exposed to UV rays for at least 12 years. It is efficient, easy-to-use and provides excellent moisture and air infiltration protection around windows. It can also be used to seal doors and similar gaps and openings.