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

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.

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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

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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

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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.

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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).

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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.

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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.

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Q: What type of reinforcement does it use?
A: Fiberglass reinforcement helps maintain dimensional stability and resist wrinkling or buckling.

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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.

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Fortify your roof’s most vulnerable areas with WeatherWatch—add this self-sealing barrier to your project today.