GAF WeatherWatch Peel & Stick Roof Underlayment

A self-sealing, polypropylene leak barrier designed for vulnerable roof areas. The WeatherWatch underlayment installs easily with peel-and-stick application and lies flat for a clean, uniform look under asphalt shingles.

Key Features:

• Self-Sealing Protection: Forms a tight seal around nails and vulnerable areas to help prevent leaks
• Easy Peel & Stick Install: Split-back release film and dual-side selvage speed application and reduce labor
• Fiberglass-Reinforced Stability: Resists wrinkling/buckling to lie flat under shingles for a better finish
• Ice Dam Defense: Provides a protective barrier at eaves, rakes, valleys, and around penetrations
• Sized for Coverage: 36 in. x 50 ft roll covers 150 sq ft (1.5 squares)

Specifications Table:

Frequently Asked Questions (FAQ):

Q: Can this be used under asphalt shingles?
A: Yes, it is designed for use under asphalt shingles.

Q: What is the roll size and coverage?
A: Each roll is 36 inches wide by 50 feet long, covering 150 sq ft (1.5 squares).

Q: Does it require nails or fasteners?
A: It is peel-and-stick; fasteners may be used per local codes, and the material self-seals around nails.

Q: Is it suitable for metal roofing or flat roofs?
A: No, it is not intended for metal or flat roofing applications.

Q: What warranty is offered?
A: Limited lifetime warranty when installed with qualifying GAF products (see manufacturer details).

A Sleek, Protective Layer for a Polished Roofline

This underlayment brings a refined, uniform foundation to your roof, smoothing the plane for a crisp shingle presentation. The mineral-surfaced, fiberglass-reinforced sheet lies impeccably flat, enhancing the overall silhouette. Use it strategically at eaves, valleys, and around chimneys to elevate performance while preserving the aesthetic. It’s a quiet luxury—discreet yet essential for a resilient, beautiful home.

Safeguard your roof’s most vulnerable areas with WeatherWatch—add this peel-and-stick leak barrier to your project today.