Deckorators 3-1/8 In. x 50 Ft. Double-Joist/Beam Butyl Joist And Flashing Tape

Protect and maximize the life of your deck by using joist and flashing tape on a wood or composite deck's substructure. This tape can be applied to the top of joists, and ledgers to protect wood against water damage.

• Self-adhesive butyl tape for composite and wood decks
• Can be applied to joists, rim joists, and ledgers
• Apply tape to the top of joists to protect against water damage
• Acts as a barrier to protect screw holes from moisture
• Creates a waterproof membrane that helps prevent wood rot and decay
• Seals around screws and nails, blocking water from getting into your deck's substructure
• Increases the holding power of deck screws