GAF StormGuard Film-Surfaced Leak Barrier, 3 ft x 66.7 ft (200 sq. ft.) RollStormGuard Film Surfaced Leak Barrier Roll Self adhered roofing leak barrier from GAF designed to create a watertight seal at vulnerable roof areas. Helps prevent leaks from ice dams and wind driven rain on shingle or metal roofs; ideal for eaves, rakes, valleys, and around penetrations. Key Features: Self Adhered Protection: Creates a 100% watertight seal at eaves, rakes, valleys, and around chimneys vents Ice and Water Defense: Helps prevent leaks

StormGuard Film-Surfaced Leak Barrier Roll

Self-adhered roofing leak barrier from GAF designed to create a watertight seal at vulnerable roof areas. Helps prevent leaks from ice dams and wind-driven rain on shingle or metal roofs; ideal for eaves, rakes, valleys, and around penetrations.

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Key Features:

• Self-Adhered Protection: Creates a 100% watertight seal at eaves, rakes, valleys, and around chimneys/vents
• Ice and Water Defense: Helps prevent leaks from ice dams and wind-driven rain for year-round protection
• Code-Compliant Performance: Meets ASTM D1970; Miami-Dade, Florida Building Code, UL Classified; ICC-ES ESR-1322
• Convenient Coverage: 3 ft x 66.7 ft roll provides 200 sq. ft. (2 SQ) of coverage
• Durable Film Surface: Tough film-faced membrane stands up to installation and jobsite handling

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Specifications Table:

Specification	Details
Product Name	StormGuard Film-Surfaced Leak Barrier
Brand	GAF
Type	Self-adhered roofing leak barrier underlayment
Roll Size	3 ft x 66.7 ft
Coverage	200 sq. ft. (18.58 sq. m) — 2 SQ roll
Style	Underlayment
Unit of Measure	Roll (RL)
Weight	65 lb (approx.)
Applicable Standards/Approvals	ASTM D1970; Miami-Dade County Approved; Florida Building Code Approved; UL Classified; ICC-ES Evaluation Report (ESR-1322)
Manufacturer Number	0939000MV
Product Number	GAFSGFS2

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Frequently Asked Questions (FAQ):

Q: Is this product self-adhered or mechanically fastened?
A: It is a self-adhered leak barrier that bonds to the roof deck to create a watertight seal.

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Q: Where should I install it?
A: Use at roof eaves and rakes, in valleys, and around penetrations like chimneys, skylights, and vents on shingle or metal roofs.

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Q: What size area does one roll cover?
A: Each roll covers approximately 200 square feet (2 squares).

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Q: What codes or approvals does it meet?
A: ASTM D1970; Miami-Dade County Approved; Florida Building Code Approved; UL Classified; ICC-ES ESR-1322.

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Q: Can it be used in cold climates for ice dam protection?
A: Yes—it's designed to help protect against leaks caused by ice dams in northern climates.

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Quiet Strength Beneath the Surface

This sleek, film-surfaced membrane is the invisible guardian that keeps a roofline pristine and interiors serene. I love its refined, matte finish—discreet yet incredibly capable at every vulnerable edge and valley. Pair it with crisp architectural shingles or standing seam metal to underscore a modern silhouette while safeguarding the details. Consider it the foundation of luxurious living: beauty above, confidence below.

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Safeguard your roof’s most vulnerable areas—add StormGuard to your project for durable, code-compliant leak protection.