Scotch Outdoor Mounting Tape, 1 in. x 175 in., Gray, 1 Roll/Pack. Whether you're beautifying the exterior of your home, or reinforcing your mailbox, Scotch Outdoor Mounting Tape is the one to choose for a hassle-free, permanent bond. Designed to deliver exceptional adhesion, this powerful double-sided tape holds up to 15 pounds and is weather resistant for permanent mounting. It's compatible with a variety of surfaces and conforms easily.