Deck Flash 3 in. W x 75 ft. L Self Adhesive Deck Flashing Black

When applied to the top of deck joists, deck Flash barrier, creates a waterproof membrane that prevents wood rot and decay caused by the accumulation of water under the decking boards. Deck Flash Barrier's unique asphalt mastic adhesive self-seals around screws and nails, blocking a primary pathway for water infiltration into deck joists. By blocking moisture and preventing wood rot, deck Flash barrier, maximizes the life of your new deck. 3" X 75' When applied to the top of deck joists creates a waterproof membrane that prevents wood rot & decay caused by the accumulation of water under the decking boards super grip adhesive can now be installed at temperatures down to 25 degrees Fahrenheit self seals around screws & nails blocking a primary pathway for water infiltration into deck joists thus preventing wood rot creates a physical barrier that prevents corrosion of the metal surface caused by contact with ACQ ca-b, & adze treated lumber can be used to protect metal flashing, joist hangars, the deck plates, sill plates & anywhere treated lumber is used. Corrosion barrier When deck Flash barrier is placed between ACQ, ca-b, or adze treated lumber and metal surfaces, such as galvanized metal and aluminum, it creates a physical barrier that prevents the corrosion of the metal surface caused by contact with chemicals in treated lumber. It can be used to protect metal flashings and hangars, at deck plates and sill plates, and anywhere treated lumber is used.