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Flex Seal Family of Products Flex Tape Pro Series 4 in. W X 8 ft. L Black Waterproof Repair Tape 1 p

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Support American manufacturers + independent hardware retailers in one purchase.

Meet the Flex Tape Pro Series 4 in. x 8 ft. Black Waterproof Repair Tape — the rugged, rubber-based solution engineered to seal leaks fast, whether you’re tackling a home project,…

Flex Seal Family Of Products MPN PS288BLK0408 In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $19.99. Our online price is $21.99.
$21.99
Includes free shipping on orders over $75 · $8.99 standard below
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About Product Overview

Meet the Flex Tape Pro Series 4 in. x 8 ft. Black Waterproof Repair Tape — the rugged, rubber-based solution engineered to seal leaks fast, whether you’re tackling a home project, workshop repair, or outdoor gear emergency. This is more than a tape; it’s a proven repair partner that stays flexible and ready when you need it most.

  • Size and format: 4 in. wide by 8 ft. long, delivered as a single roll for longer, uninterrupted repairs.
  • Material: Durable rubber-based adhesive that forms a strong, waterproof seal on a variety of surfaces.
  • Color: Black, designed to blend with common roof, gutter, and plumbing applications for a discreet fix.
  • Indoor/Outdoor: Built for both indoor and outdoor use, with UV resistance to withstand sun exposure over time.
  • Durability: Non-removable once applied, providing a lasting repair that minimizes the need for frequent resealing.
  • Packaging: Shrinkwrap packaging keeps the roll protected and easy to store until it’s needed.

Where it shines in real-world scenarios

  • Patch roof seams, flashing, and leaks where a quick, reliable seal can prevent further damage.
  • Seal cracks or punctures in gutters, downspouts, rain barrels, hoses, and other plumbing lines.
  • Repair torn tarps, waterproof covers, and outdoor gear that must endure weather and wear.
  • Secure weatherproofing on boats, kayaks, or plastic tanks during field use or transport.

Why this Pro Series tape stands out—with a wider 4" width and an 8 ft length, you cover more area in fewer moves, reducing downtime on repairs. The UV-resistant rubber formulation is designed to hold up under sun and variable conditions, making it a dependable choice for both quick fixes and more durable repairs.

Practical tips for best results: clean and dry the surface before application, press firmly from the center outward to maximize contact, and for larger repairs, apply in overlapping passes to ensure a thorough seal. With one roll per package, you’ll have a ready-to-use solution that can tackle unexpected leaks and extend the life of fixtures, containers, and equipment.

The Details Specifications

Brand Flex Seal Family Of Products
SKU 5063191
UPC 810129871630
Unit 0
Case Pack Quantity 4 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 4 × 4 × 4
Weight 0 lbs
Cubic Feet 0.04161 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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