POLYGUARD WindowSeal Window and Door Flashing Tape, 6 in x 100 ft Roll, 20 mil Thick, Self-Sealing & Self-Adhering Waterproof Barrier, Pack of 3

★★★★★ 4.3 15 reviews

$141.89
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$141.89
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Free shipping Free 30-day returns

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Product details

Management number 218575312 Release Date 2026/05/03 List Price $56.76 Model Number 218575312
Category
  • Waterproof Seal: Self-adhering design creates a watertight barrier for windows, doors, and seams
  • Versatile Application: Ideal for flashing straight window frames, door frames, and construction seams
  • Cold & Hot Climate Ready: Performs in temperatures from 40° F to 120° F; store in warm space before cold-weather installs
  • Flexible Installation: Conforms to irregular shapes and uneven, porous substrates
  • Nail Sealability: Forms a smooth, sealed surface around nails, staples, and fasteners
  • Tear-Resistant Performance: Resists cracking and tearing from structural movement or extreme weather
  • Verified Quality: AAMA 711 compliant; made in the USA for dependable building performance
  • Rubberized Asphalt Construction: Features a self-adhering rubberized asphalt core with polyethylene backing for superior adhesion and durability

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4.3 out of 5
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15 ratings | 6 reviews
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