SKU: 38345542989

Gardner Rubber Flexx Waterproofing & Seam Tape, 0.3-ft W x 10-ft L, White – 3-sq ft Coverage

Sale price$19.39 Regular price$21.54
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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17

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Description

Gardner Rubber Flexx Waterproofing & Seam Tape, 0.3-ft W x 10-ft L, White – 3-sq ft CoverageRubber Flexx Waterproofing & Seam Tape, White (10 ft x 0. 3 ft) Peel and stick waterproofing seam tape that seals instantly to stop leaks on roofs, gutters, skylights, windows, doors, and more. The reinforced adhesive bonds to metal, wood, fiberglass, plastic, glass, concrete, brick, and rubber roofs, delivering a tough, durable repair with 3 sq ft coverage. Key Features: Instant Leak Sealing: Forms an immediate waterproof and airtight seal to stop

Rubber Flexx Waterproofing & Seam Tape, White (10-ft x 0.3-ft)

Peel-and-stick waterproofing seam tape that seals instantly to stop leaks on roofs, gutters, skylights, windows, doors, and more. The reinforced adhesive bonds to metal, wood, fiberglass, plastic, glass, concrete, brick, and rubber roofs, delivering a tough, durable repair with 3-sq ft coverage.


Key Features:

  • Instant Leak Sealing: Forms an immediate waterproof and airtight seal to stop leaks fast
  • Strong Reinforced Bond: Tough, durable adhesion for long-lasting repairs
  • Versatile Surface Compatibility: Sticks to metal, wood, fiberglass, plastic, glass, concrete, brick, and rubber roofs
  • Easy Peel-and-Stick Application: Cut, peel liner, and press in place—no underlayment needed
  • Paintable Finish: Accepts paint or coatings on top for a clean, protected look

Specifications Table:

Specification Details
Series Name Rubber Flexx
Type Roll roofing / waterproofing seam tape
Color/Finish Family White
Manufacturer Color/Finish White
Package Quantity 1
Underlayment Required No
Coverage Area (Sq. Feet) 3
Length (Feet) 10
Width (Feet) 0.3
Roll Weight (lbs.) 0.66
Warranty 1-year limited
CA Residents: Prop 65 Warning(s) Yes

Frequently Asked Questions (FAQ):

Q: Can this tape be used on wet surfaces?
A: Apply to clean, dry surfaces for best adhesion; it seals immediately once applied.


Q: Do I need an underlayment?
A: No underlayment is required; the tape is designed for direct application.


Q: Is the tape paintable?
A: Yes, it can be coated with Rubber Flexx coating or painted with latex paint after installation.


Q: What are the dimensions and coverage?
A: Each roll is 0.3-ft wide by 10-ft long, covering 3 square feet.


Q: Where can I use it?
A: Suitable for roofs, gutters, skylights, windows, doors, RVs, mobile homes, camping gear, marine, and more.


Seamless Shield for Problem Areas

This waterproofing tape is the quiet hero of exterior detailing, delivering a clean, resilient seam that disappears under paint. The reinforced bond and crisp white finish make it effortless to integrate with roofing edges, vents, and frames. Use it to streamline transitions around skylights and windows, then top-coat for a polished, cohesive look. It’s an essential layer of confidence for refined, weather-ready spaces.


Seal leaks fast with Gardner Rubber Flexx—add to cart and safeguard your home today.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 38345542989

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Reviewed in the United States on March 6, 2026
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Angel A.
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Durable
Size: Large(2-Pack), Product Packaging: Standard Packaging
Great quality especially for large dogs. Fill it up and keeps pets busy for hours. Almost all Kong products and perfect for heavy chewers.
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Reviewed in the United States on May 22, 2026
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Heather Mitchell
Port Orchard, US
★★★★★ 5
Great for freezing apple sauce, peanut butter, etc for a treat.
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Our dog has extreme separation anxiety. When ever he even thinks we are going to leave he barks and jumps in our face. He is a mini Aussie, so he can jump high. I have researched ways to help him not freak out so much when we leave. I read that giving him something like this with some yummy frozen in it like peanut butter, apple sauce, wet food, etc. so he relates us leaving to him getting a yummy treat. He still freaks out when we leave, but not as bad because he wants the kong but also wants to remind us he doesn’t approve of us leaving, lol. It’s Kong, so obviously very high quality. It’s pretty heavy. I wish there was an in between size, this is a little too big and the smaller size isn’t big enough. So his tongue can’t quite reach the end inside. He also plays with it when it’s not filled with treats. We have a few so one can be in the freezer while he has one. Thank goodness he is a dog that doesn’t destroy stuff when we are gone, just yells at us when we are leaving. After we are gone he just pouts. But this gives him something to do and keeps him busy. It takes him quite a while to finish what’s inside.
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Reviewed in the United States on March 24, 2026
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Heather Geschwentner
Lake Worth, US
★★★★★ 5
Tough
Size: X-Large (Pack of 1), Product Packaging: Standard Packaging
Nice and tough. Good, large size to put lots of treats and goodies to freeze for long interactive experience enjoyment.
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Reviewed in the United States on June 9, 2026

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