SPAX 3 1/4 in. x 75 ft. Deck Tape Butyl Waterproof Flashing Tape for Beams Joist Ledger Wood Self-Adhesive (1-Pack)

SPAX waterproof 3-1/4 in. beam tape is specially engineered with advanced rubber Butyl adhesive to seal off fasteners and beams from moisture. This high-strength, durable barrier prevents premature wood rot to help ensure maximum life of your decking structure. 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