Protecto Wrap 800309SW Flashing Tape, 50 ft L, 9 in W, Black

DECK JOIST TAPE is a self-adhering, cold-applied tape used as flashing on deck ledger boards and joists to help prevent moisture penetration around properly installed fasteners. Provides a non-corrosive barrier between treated lumber and metal hangers. Its Super Stick Technology adhesive can stick to damp wood joists, doesn't require a primer and can be applied down to -20 deg F and high temperature applications.