GAF StormGuard Film-Surfaced Leak Barrier, 3' x 66.7' Roll (2 SQ, 200 sq. ft.)StormGuard Film Surfaced Leak Barrier Roll A self sealing leak barrier underlayment designed to create a watertight seal at vulnerable roof areas. Ideal for eaves, rakes, valleys, and around chimneys on shingle or metal roofs, providing durable protection against ice dams, wind driven rain, and gutter water backup. Key Features: Watertight Protection: Creates a 100% seal at roof eaves, rakes, valleys, and penetrations Ice & Storm Defense: Helps

StormGuard Film-Surfaced Leak Barrier Roll

A self-sealing leak barrier underlayment designed to create a watertight seal at vulnerable roof areas. Ideal for eaves, rakes, valleys, and around chimneys on shingle or metal roofs, providing durable protection against ice dams, wind-driven rain, and gutter water backup.

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Key Features:

• Watertight Protection: Creates a 100% seal at roof eaves, rakes, valleys, and penetrations
• Ice & Storm Defense: Helps prevent leaks from ice dams and wind-driven rain
• Code-Compliant: Meets ASTM D1970; Miami-Dade, Florida Building Code, UL Classified; ICC-ES ESR-1322
• Generous Coverage: 2-square roll covers 200 sq. ft. (3' x 66.7')
• Easy to Use: Film-surfaced underlayment designed for reliable adhesion and installation

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Specifications Table:

Specification	Details
Style	Underlayment
Brand	GAF
Product Name	StormGuard Film-Surfaced Leak Barrier
Roll Size	3' x 66.7'
Coverage	200 sq. ft. (18.58 sq. m) – 2 SQ roll
Unit of Measure	RL
Item Weight	65 lb
Applicable Standards	ASTM D1970; Miami-Dade County Approved; Florida Building Code Approved; UL Classified; ICC-ES Evaluation Report (ESR-1322)
Intended Use	Leak barrier at eaves, rakes, valleys, and around chimneys under shingle or metal roofs
Manufacturer Number	0939000MV
Product Number	GAFSGFS2

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Frequently Asked Questions (FAQ):

Q: What roof types is this barrier compatible with?
A: It’s designed for use under shingle and metal roofing systems at vulnerable areas like eaves, rakes, valleys, and around chimneys.

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Q: How much area does one roll cover?
A: Each roll covers 200 sq. ft. (2 squares) and measures 3 feet wide by 66.7 feet long.

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Q: Does it meet building codes?
A: Yes—ASTM D1970; Miami-Dade and Florida Building Code approved; UL Classified; ICC-ES ESR-1322.

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Q: Where should I install it?
A: Install at leak-prone areas including eaves, rakes, valleys, and roof penetrations to create a watertight seal.

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Q: Is there warranty or documentation available?
A: Yes—installation instructions, safety data sheet, sell sheet, and warranty documents are available via the provided product resources.

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Sleek, Storm-Ready Underlayment for a Polished Roofline

This film-surfaced barrier slips beneath the roofscape like a tailored foundation, elevating performance while keeping the look impeccably clean. Its smooth finish and confident seal make vulnerable edges and valleys feel composed and secure. Pair it with refined metal or architectural shingles to underscore crisp lines and durability. An essential layer for luxurious living, it brings quiet strength to every elevation.

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Safeguard your roof’s most vulnerable areas—add StormGuard today for enduring, watertight protection.