Protect your deck investment from the ground up with the RW PP Deck Joist Tape, a high-performance, self-adhesive flashing tape engineered to extend the life of your deck framing. Measuring 1.89 inches wide by 50 feet long, this tape is ideal for covering the tops of joists, beams, and ledger boards—creating a durable, waterproof barrier that prevents moisture intrusion, wood rot, and corrosion.

Engineered for Long-Term Protection

• Made with premium butyl adhesive, this tape forms a watertight seal around fasteners, preventing water from seeping into screw holes and wood grain.
• Acts as a barrier between treated lumber and metal hardware, helping to prevent galvanic corrosion and structural weakening.
• Designed for use with pressure-treated, untreated, and composite wood.

Durable and Weather-Resistant

• UV-resistant top layer protects against sun damage and degradation over time.
• Withstands extreme temperatures and weather conditions without cracking, peeling, or losing adhesion.
• Ideal for horizontal and vertical surfaces, including joists, beams, and ledger boards.

Quick and Easy Installation

• Peel-and-stick application—no tools or special equipment required.
• Flexible material conforms easily to irregular surfaces and corners.
• Can be applied in both new construction and retrofit projects.

Product Specifications

• Width: 1.89 inches
• Length: 50 feet
• Material: Butyl adhesive with polyethylene top layer
• Color: Typically black or dark gray
• Application: Joists, beams, ledger boards, and other deck framing components

Ideal For

• Homeowners and contractors building or renovating decks
• Protecting wood framing from moisture, rot, and corrosion
• Enhancing the lifespan and structural integrity of outdoor living spaces