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DeckWise Joist Tape 3-Inch x 75 Feet Roll Self Adhesive Deck Flashing

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4.00 LBS
Normally ships within 2-3 days
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 Product Description

DeckWise Joist Tape 3-Inch x 75 FT Roll Self Adhesive Deck Flashing


  • Waterproof Barrier Protection: Prohibits wood rot from water and moisture trapped between deck joists, deck posts, ledger boards or board cut ends
  • Super Grip: Has a self-adhesive rubberized asphalt mastic adhesive that sticks to wood surfaces, excellent for all-weather climates
  • Corrosion Blocker: Prevents the corrosion of the metal surface caused by contact with the chemicals in treated lumber.

DeckWise Joist Tape adheres to the top-side of deck joists prior to installing deck boards. Also for use around deck support posts as well as over ledger boards. This self-adhesive joist barrier tape is a malleable polyethylene water-resistant lumber flashing material, utilizing a rubberized asphalt mastic adhesive. When this tape is installed over joists, it produces a water resistant barrier which helps prevent joist decomposition and wood rot. Joist rot is caused through trapped moisture which remains in contact with treated and untreated wood deck framework and the above decking material. Wood decay can easily also take place when deck anchoring screws penetrate the deck boards, piercing the joist sub-framing underneath. The application of joist barrier tape will also seal around decking screws combating the invasion of water and moisture. The tape has a super grip rubberized asphalt adhesive and is a self-sealant around deck screws which will obstruct the primary pathway for water infiltration into deck joists. Joist Tape water-proof barrier tape can maximize the lifetime of your brand new patio or renovation project. Once this tape is applied between ACQ, CA-B or ACZA treated lumber-as well as metal surfaces such as galvanized steel and aluminum joists-a physical buffer is in place which reduces the deterioration of wood and corrosion of the steel surface caused through contact with chemical substances in treated wood.


  • 75-FT roll x 3" wide
  • Malleable Polyethylene Waterproof Flashing
  • 0.30 mil thick bitumen tape is tear resistant, long-lasting
  • Easily Apply to Deck Joists, Around Deck Support Posts and Over Ledgers
  • Helps Create a Waterproof Seal That Prevents Decay
  • Super Grip - self-sealing rubberized asphalt adhesive



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