GAF StormGuard® Film-Surfaced Leak Barrier Roll (200 sq. ft)
- Peel and stick underlayment for asphalt shingle & metal roofs
- Self-seals nails, fasteners and vulnerable roof areas
- Patterned synthetic surface for excellent wet/dry traction
- Estimated Delivery : Up to 4 business days
- Free Shipping & Returns : On all orders over $200
Protect Your Roof’s Most Vulnerable Areas with StormGuard® Leak Barrier
When it comes to preventing costly roof leaks, the GAF StormGuard® Film-Surfaced Leak Barrier is your first line of defense. Available at A+ Roofing Supply in Atlanta, GA, this 200 sq. ft. self-adhering roll helps shield your roof at its most leak-prone spots—eaves, rakes, valleys, chimneys, and skylights.
Engineered with a durable synthetic blue patterned surface, StormGuard® enhances traction for installers, especially on steeper slopes or in wet conditions. It’s designed for use with asphalt shingles and most metal roofing systems, boasting fiberglass reinforcement for added strength and a high-temp resistance of up to 250°F.
Key Features:
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🧱 Superior Leak Protection – Seals vulnerable roof zones against water infiltration, ice dams & wind-driven rain
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💙 Cool Blue Surface – Safer and cooler underfoot for installers compared to black underlayments
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💧 Moisture Channels – Directs water away from the walking surface
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🔥 High-Temperature Performance – Rated up to 250°F for use under asphalt & metal roofs
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🛡️ Warranty-Eligible – Up to a Lifetime Limited Warranty when used in a GAF Lifetime Roofing System
Product Specs:
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Size: 36″ x 66.7′ roll (200 sq. ft.)
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Material: Fiberglass-reinforced, synthetic peel & stick with film surface
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Application: Eaves, rakes, valleys, and roof penetrations
Need precise quantities for your job? Try the GAF QuickMeasure Tool to get roof dimensions, a full materials list, and Home Depot SKUs within an hour. Learn more at gaf.com
| Coverage Area (sq. ft.) | 200 sq ft |
|---|---|
| Product Width (in.) | 36 in |
| Product Thickness (in.) | 0.06 in |
| Unrolled length (ft.) | 66.8 |
| Application Method | Nail, Peel & Stick |
| Features | Ice and Water Shield |
| Material | Asphalt |
| Returnable | 90-Day |
| Squares (100sq. Ft)/Roll | 2 |
| Texture | Smooth |
| Color Family | Blue |
| Fire Rating (UL 790) | Class A |
| Product Weight (lb.) | 67 lb |
| Roofing Product Type | Underlayment |
| Surface Recommended | Metal, Wood |
| Underlayment/Barrier Type | Leak Barrier |
Synthetic Roofing Underlayment Roll A+ Roofing Supply 30# (1000 sq.ft) 
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