SKU: 7389989823

GAF WeatherWatch Mineral-Surfaced Leak Barrier, 3 ft x 50 ft Roll (1.5 SQ, 150 Sq. Ft.)

Sale price$74.39 Regular price$82.66
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Description

GAF WeatherWatch Mineral-Surfaced Leak Barrier, 3 ft x 50 ft Roll (1.5 SQ, 150 Sq. Ft.)GAF WeatherWatch Mineral Surfaced Leak Barrier Roll Self adhered, mineral surfaced leak barrier designed to protect vulnerable roof areas from water intrusion. Fiberglass reinforcement resists wrinkling and buckling, while the membrane self seals around nails and fasteners for dependable leak protection. Key Features: Self Sealing Protection: Membrane self seals around nails and roofing fasteners to help prevent leaks Fiberglass Reinforcement: Helps

GAF WeatherWatch Mineral-Surfaced Leak Barrier Roll

Self-adhered, mineral-surfaced leak barrier designed to protect vulnerable roof areas from water intrusion. Fiberglass reinforcement resists wrinkling and buckling, while the membrane self-seals around nails and fasteners for dependable leak protection.


Key Features:

  • Self-Sealing Protection: Membrane self-seals around nails and roofing fasteners to help prevent leaks
  • Fiberglass Reinforcement: Helps resist wrinkling and buckling for a cleaner, long-lasting look
  • Faster Installation: Split-back release film speeds application on the roof
  • Targeted Defense: Ideal for eaves, rakes, valleys, and around chimneys where leaks commonly start
  • Standards & Approvals: Meets ASTM D1970; ICC-ES ESR-1322; Miami-Dade and Florida Building Code approved; UL Classified

Specifications Table:

Specification Details
Product name WeatherWatch Mineral-Surfaced Leak Barrier
Brand GAF
Roll size 3 ft x 50 ft
Coverage area 150 sq. ft. (1.5 squares)
Unit of measure Roll (RL)
Item weight 65 lb
Style / Category Underlayment
Surface Mineral-surfaced
Reinforcement Fiberglass reinforcement
Key features Self-seals around nails and fasteners; split-back release film for easier installation
Applicable standards / approvals ASTM D1970; ICC-ES ESR-1322; Miami-Dade County Approved; Florida Building Code Approved; UL Classified
Manufacturer number 912000
Product number GAFWW50

Frequently Asked Questions (FAQ):

Q: What is the roll size and coverage?
A: Each roll is 3 ft x 50 ft, covering 150 sq. ft. (1.5 squares).


Q: Where should this leak barrier be installed?
A: Use at roof eaves and rakes, in valleys, and around penetrations like chimneys and vents—areas most prone to water intrusion.


Q: Can it be used under metal or shingle roofs?
A: Yes. It self-seals around nails or metal roofing fasteners to help avoid leaks.


Q: Does it comply with building standards?
A: Yes, it meets ASTM D1970 and holds ICC-ES ESR-1322, Miami-Dade, Florida Building Code approvals, and is UL Classified.


Q: How does it help with ice dams and wind-driven rain?
A: It creates a waterproof barrier that helps prevent leaks from water damming, wind-driven rain, and ice dams in colder climates.


A Sleek Shield Beneath the Surface

This mineral-surfaced barrier quietly elevates the envelope of your home, delivering a refined layer of security where design meets performance. The fiberglass-reinforced sheet lies smooth and disciplined, resisting wrinkles that can telegraph through the roof. Pair it with dark architectural shingles to create a seamless, high-contrast foundation that feels intentional from edge to ridge. It’s a discreet essential—luxury you don’t see, but absolutely feel in the integrity of the space.


Protect your roof’s most vulnerable areas—choose WeatherWatch today for fast, reliable, code-approved leak defense.

Installation

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: 7389989823

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Verified Purchase
KNE
Bozeman, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
Mike Summers
Dallas, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
T
The Pacific Northwesterners
Waukegan, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026
D
DR
Bozeman, US
★★★★★ 5
Great kids' shoe — easy on, comfy all day
Size: 3 Little Kid, Color: Pink/Lavender
My kid has been wearing these for a few weeks now and I'm genuinely impressed with how well they've held up. The knit mesh upper keeps feet cool and comfortable during long days at school and outdoor play, and the cushioned EVA midsole does a great job absorbing impact. What really won me over is the slip-on design with elasticated laces and dual pull tabs — my child can put them on and take them off completely independently, which is a huge win. The fit is snug but not tight, and they run a bit roomy in width, which is great for kids with wider feet or those who need a little growing room. At $32, the quality feels solid for the price. Lightweight, breathable, and easy to wear — these check all the boxes for an everyday kids' shoe.
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Reviewed in the United States on May 23, 2026
M
Melissa
Massapequa, US
★★★★★ 5
Cute, Comfortable, Light-Weight Shoes, Perfect for School
Size: 11 Little Kid, Color: Pink/Lavender, Size: 11 Little Kid, Color: Pink/Lavender
These have turned out to be great everyday shoes for my 5 year old. She normally wears a size 10, but since that size wasn’t available, I ordered the 11 expecting her to grow into them. I was pleasantly surprised that they already fit her pretty well. There’s still a little extra room in the toe area, but the shoes fit securely around her ankles so they don’t feel loose or slip off while walking or playing. She says they’re very comfortable and loves how easy they are to slip on by herself. The lightweight design is nice for everyday wear, and they’ve held up well so far despite being worn almost daily. They've become her favorite shoes to wear! Also the pink/lavender color is really pretty in person. Overall, I’m very happy with them and would order again.
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Reviewed in the United States on May 13, 2026

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