
GAF WeatherWatch Mineral-Surfaced Leak Barrier, 3 ft x 50 ft Roll (1.5 SQ)
WeatherWatch mineral-surfaced roof leak barrier roll
A self-sealing, fiberglass-reinforced leak barrier designed for vulnerable roof areas. The 3 ft x 50 ft roll helps prevent water penetration, wind-driven rain, and ice dam damage while speeding installation with split-back release film.
Key Features:
- Self-Sealing Protection: Seals around nails and metal fasteners to help prevent leaks
- Fiberglass Reinforcement: Resists wrinkling and buckling for a clean, durable finish
- Fast Installation: Split-back release film streamlines application
- Targeted Defense: Shields eaves, rakes, valleys, and areas around chimneys from water intrusion
- Code and Standards Ready: ICC-ES ESR-1322, ASTM D1970, Miami-Dade and Florida Building Code approvals; UL Classified
Specifications Table:
| Specification | Details |
|---|---|
| Roll Dimensions | 3' x 50' |
| Coverage Area | 150 sq. ft. (1.5 SQ. roll) |
| Style | Underlayment |
| Unit of Measure | RL |
| Item Weight | 65 lb |
| Standards/Approvals | ICC-ES ESR-1322; ASTM D1970; Miami-Dade County Approved; Florida Building Code Approved; UL Classified |
| Manufacturer Number | 912000 |
| Product Number | GAFWW50 |
| Material Number | 10132 |
Frequently Asked Questions (FAQ):
Q: What areas of the roof should I install this leak barrier?
A: Install at eaves and rakes, in valleys, and around roof penetrations such as chimneys to protect the most vulnerable zones.
Q: What is the roll size and coverage?
A: The roll is 3 ft x 50 ft with approximately 150 sq. ft. of coverage (1.5 squares).
Q: Does it work with nail or screw fasteners?
A: Yes. The material self-seals around nails and metal roofing fasteners to help avoid leaks.
Q: Is it approved by building codes?
A: Yes. It meets ICC-ES ESR-1322 and ASTM D1970 and is Miami-Dade and Florida Building Code approved; UL Classified.
Q: What type of reinforcement does it use?
A: Fiberglass reinforcement helps maintain dimensional stability and resist wrinkling or buckling.
A Sleek Shield for Rooflines
This mineral-surfaced barrier brings a refined, purposeful layer to the roof, quietly elevating performance and appearance. Its fiberglass reinforcement keeps lines crisp, while the self-sealing surface ensures a seamless finish around details. Pair it with clean metal accents at eaves and valleys for a modern, tailored silhouette. Consider it a discreet essential—luxury through protection and precision.
Fortify your roof’s most vulnerable areas with WeatherWatch—add this self-sealing barrier to your project today.
Original: $82.66
-70%$82.66
$24.80Product Information
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Description
WeatherWatch mineral-surfaced roof leak barrier roll
A self-sealing, fiberglass-reinforced leak barrier designed for vulnerable roof areas. The 3 ft x 50 ft roll helps prevent water penetration, wind-driven rain, and ice dam damage while speeding installation with split-back release film.
Key Features:
- Self-Sealing Protection: Seals around nails and metal fasteners to help prevent leaks
- Fiberglass Reinforcement: Resists wrinkling and buckling for a clean, durable finish
- Fast Installation: Split-back release film streamlines application
- Targeted Defense: Shields eaves, rakes, valleys, and areas around chimneys from water intrusion
- Code and Standards Ready: ICC-ES ESR-1322, ASTM D1970, Miami-Dade and Florida Building Code approvals; UL Classified
Specifications Table:
| Specification | Details |
|---|---|
| Roll Dimensions | 3' x 50' |
| Coverage Area | 150 sq. ft. (1.5 SQ. roll) |
| Style | Underlayment |
| Unit of Measure | RL |
| Item Weight | 65 lb |
| Standards/Approvals | ICC-ES ESR-1322; ASTM D1970; Miami-Dade County Approved; Florida Building Code Approved; UL Classified |
| Manufacturer Number | 912000 |
| Product Number | GAFWW50 |
| Material Number | 10132 |
Frequently Asked Questions (FAQ):
Q: What areas of the roof should I install this leak barrier?
A: Install at eaves and rakes, in valleys, and around roof penetrations such as chimneys to protect the most vulnerable zones.
Q: What is the roll size and coverage?
A: The roll is 3 ft x 50 ft with approximately 150 sq. ft. of coverage (1.5 squares).
Q: Does it work with nail or screw fasteners?
A: Yes. The material self-seals around nails and metal roofing fasteners to help avoid leaks.
Q: Is it approved by building codes?
A: Yes. It meets ICC-ES ESR-1322 and ASTM D1970 and is Miami-Dade and Florida Building Code approved; UL Classified.
Q: What type of reinforcement does it use?
A: Fiberglass reinforcement helps maintain dimensional stability and resist wrinkling or buckling.
A Sleek Shield for Rooflines
This mineral-surfaced barrier brings a refined, purposeful layer to the roof, quietly elevating performance and appearance. Its fiberglass reinforcement keeps lines crisp, while the self-sealing surface ensures a seamless finish around details. Pair it with clean metal accents at eaves and valleys for a modern, tailored silhouette. Consider it a discreet essential—luxury through protection and precision.
Fortify your roof’s most vulnerable areas with WeatherWatch—add this self-sealing barrier to your project today.






















