TIVATAPE™ Joist Tape: Waterproof Protection & Deck Longevity

TIVATAPE™ is a high-performance, self-adhering waterproof tape designed to protect deck joists and beams from moisture damage and wood rot. Engineered with a rugged polyethylene surface and high-temp butyl adhesive, TIVATAPE creates a long-lasting moisture barrier that extends the life of your deck’s substructure.

Why Choose TIVATAPE?

• Superior Waterproofing:
  Forms a tight seal around fasteners to block water penetration and prevent rot.
  
  
• UV-Resistant Surface:
  Durable, slip-resistant black polyethylene facer stands up to sun exposure and won’t show between deck boards.
  
  
• High-Temperature Performance:
  Butyl adhesive remains stable up to 260°F (132°C)—no dripping, oozing, or staining.
  
  
• Cold-Weather Friendly:
  Installs in temperatures as low as 25°F (-4°C) and rising.
  
  
• Easy Application:
  Features a silicone-treated release liner for hassle-free installation.
  
  
• Flexible Sizing:
  Choose from 1 5/8" width for joists or 3 1/4" width for beams. Each roll covers 75 linear feet.

Technical Features

• Slip-resistant, ridged polyethylene top layer
• High-strength, pressure-sensitive butyl adhesive
• Thermally stable up to 260°F (132°C)
• Compatible with pressure-treated wood, PVC, and composite decking
• Installs down to 25°F (-4°C)
• Available widths: 1 5/8" and 3 1/4"
• Roll length: 75 ft

Protect your investment!

Read our guide on why Joist Tape is the Rot Insurance Your Deck Needs to ensure your structure lasts for decades.

Backed by TIVA

Whether you're building a brand-new deck or reinforcing an existing structure, TIVATAPE offers industry-leading protection with a 10-year warranty. Build smarter. Build stronger. Build with TIVATAPE™.

Learn more about TIVA Building Products