SPAX 1 5/8 in. x 75 ft. Deck Tape Butyl Waterproof Flashing Tape for Joist Ledger Wood Beams (1-Pack) Self-Adhesive

SPAX waterproof 1-5/8 in. joist tape is specially engineered with advanced rubber Butyl adhesive to seal off fasteners and joists from moisture. This high-strength, durable barrier prevents premature wood rot while allowing joists to breathe, so that your foundation lasts as long as the deck. And with a UV-resistant engineered film facer, it's the only deck tape with UV resistance up to 10-years.

• Protects wood and deck substructure from rot and decay
• Provides a barrier between wood and galvanized metal
• Helps seal fasteners, preventing moisture penetration