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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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