CertainTeed Roofing WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll, 3' x 65' (195 sq ft)
Regular price $104.73WinterGuard Granular Waterproofing Shingle Underlayment, 2 SQ Roll
Self-adhering, granular waterproofing underlayment engineered to stop water intrusion at roof eaves, valleys, and other vulnerable areas. Made from vapor-tight asphalt polymers that stretch and seal around fasteners for a durable, long-lasting barrier.
Key Features:
- Self-Adhered Waterproofing: Asphalt-polymer composite forms a vapor-tight, elastic seal that self-seals around nails.
- Granular Surface: Provides traction and durability for easier installation and service life.
- Cold-Weather Defense: Designed for eaves and valleys to combat ice dams and wind-driven rain.
- Generous Coverage: 3' x 65' roll covers 195 sq ft (2 squares) for efficient roof prep.
- Code-Compliant: Meets ASTM D1970; Miami-Dade and Florida approvals; UL 790 classified under Class A/B/C systems; ICC ESR-1492; CSA A123.22.
Specifications Table:
| Specification | Details |
|---|---|
| Style | Underlayment |
| Product type | Waterproofing shingle underlayment |
| Surface | Granular |
| Coverage | 195 sq ft per roll (2 squares) |
| Roll dimensions | 3 ft x 65 ft |
| Length | 65 ft |
| Width | 3 ft (36 in) |
| Thickness | 60 mil (1.5 mm) |
| Weight | 72 lb per roll |
| Material | Asphalt polymer composite |
| Standards/Approvals | ICC ESR-1492; Miami-Dade County Approved; UL 790 classified beneath Class A/B/C systems; ASTM D1970; Florida Product Approval FL 11288; CSA A123.22 |
| Warranty | Lifetime Limited Warranty |
| Manufacturer number | WGG |
| Product number | CTRWGG2 |
Frequently Asked Questions (FAQ):
Q: Is this product self-adhering?
A: Yes, it is a self-adhered underlayment with an asphalt-polymer adhesive that bonds to the deck and self-seals around fasteners.
Q: What is the roll size and coverage?
A: Each roll is 3 feet wide by 65 feet long and covers 195 square feet (2 squares).
Q: Where should I install WinterGuard?
A: Install at roof eaves, valleys, dormers, and other leak-prone areas; extend at least 24 inches past the interior wall line at the eave where required.
Q: What warranties apply?
A: Product lists a Lifetime Limited Warranty; see manufacturer documentation for terms and conditions.
Q: Is it approved for use under fire-rated shingle systems?
A: Yes, it is UL 790 classified for use beneath Class A, B, or C fire-rated shingle systems.
A Seamless Shield for Elegant Rooflines
WinterGuard wraps the roof in a sleek, protective layer that preserves the clean geometry of eaves and valleys. Its granular finish adds a refined texture while the self-sealing technology keeps the envelope pristine through harsh seasons. Pair it with architectural shingles to accentuate shadow lines and ensure a crisp silhouette. This underlayment is a quiet essential for luxurious, weather-resilient living.
Protect your roof’s most vulnerable areas—choose WinterGuard Granular for reliable, code-compliant waterproofing that lasts.
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