LLPT Joist Tape for Decking 4” x 50 Ft 0.05" Thick Flashing Joist Protection Tape Heavy Duty Self Sealing Waterproof Butyl Sealant for Wood Decks Building Joists Seams 1 Roll Black (JDT10150)

★★★★★ 5.0 131 reviews

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Management number 224122105 Release Date 2026/05/09 List Price $10.40 Model Number 224122105
Category
  • APPLICATION: Suggested working temperature is between -40°F to 360°F; it’s widely compatible with most decking materials; ideal for protecting the structural members of the deck, minimizing the probability of rot and decay of the joist, avoiding deck failures occur, reducing moisture damage to crossbeams, working as a barrier flashing between structural deck joists and deck boards.
  • CONSTRUCTION: LLPT deck joist tape is new version with extra thick butyl adhesive after collecting feedbacks from users. The top is a smooth rubber layer, UV resistant, which is designed for long lifespan and weatherproof, the rubber layer resists curling during application. The middle is a 100% butyl adhesive layer, thick and sticky for watertight sealing. The backing is an oil paper layer instead of film to avoid overflow of adhesive and easier peeling off, keep the application neat and clean.
  • FEATURES: Laminated with rubber and industrial single side butyl adhesive for non-drying, non-hardening and extremely working temperature that provides easy installation, easy forming, quick molding, mess free, flexible, waterproof and high viscosity. Reliably shut off water, oil, grease, moisture and corrosive chemical; resist melting & overflow during storage and transportation. IMPORTANT NOTE: Butyl adhesive works better on dry surfaces, wet and moisture surface will weaken the bond strength.
  • EASY TO USE: LLPT Joist Decking Tape delivers easy molding and instant adhesion to the surface of object; simply clean and DRY the surface first for better bonding and release the butyl tape to areas you want to seal with proper press all around the tape; the ideal installation temperature is around 10 Celsius degree, too low will make the tape stiffer and too high, it might cause excess adhesive all around the tape after application.
  • LONG LASTING PROTECTION: LLPT deck joist tape offers superior defense against moisture infiltration, extending the lifespan of your deck by preventing and creating a protective barrier against moisture. Engineered with a durable adhesive backing and weather-resistant properties, it ensures reliable performance in all seasons, providing peace of mind and preserving the integrity of your outdoor living space for years to come.

ASIN B0BFR7MV4J
Color Black
Model JDT0050A
Size Name 4” x 50 Ft
Brand Name LLPT
Unit Count 1.0 Count
Part Number JDT010150
Manufacturer LLPT
Material Type Butyl, Rubber
Item Thickness 1.2 Millimeters
Item Resistance heat, moisture, wind, oil, grease, chemicals
Number of Items 1
Compatible Material Wood, Steel, Glass, Epdm, Plastic
Included Components 1 Roll Tape
Surface Recommendation Aluminium, Glass, Wood
Water Resistance Level Waterproof
Upper Temperature Rating 360 Degrees Fahrenheit
Recommended Uses For Product Outdoor
Item Dimensions L x W x Thickness 4"W x 0.05"Th
Other Special Features of the Product Extra Thick, High Viscosity, No Mess, Waterproof, Weather Resistant

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