WeatherWatch
GAF WeatherWatch is designed specifically for asphalt shingle roofs with a granular surface that provides excellent shingle adhesion and UV resistance.
Key Features of WeatherWatch
- Granular mineral surface
- Designed for asphalt shingles
- Self-sealing technology
- Prevents ice dam damage
- Valley protection
- Cost-effective protection
Technical Specifications
25°F - 180°F
Temperature Range
90 days
UV Exposure Limit
Good
Split Resistance
Yes
Self-Sealing
150 sq ft
Coverage Per Roll
$50-$70
Per Square (100 sq ft)
Compatible Roofing Types
Advantages
- More affordable than Grace
- Good shingle adhesion
- Part of GAF system warranty
- Reliable performance
Disadvantages
- Shingle-only compatibility
- Lower temperature rating than StormGuard
- Less coverage per roll
WeatherWatch Regional Performance Ratings
See how WeatherWatch performs in different climate zones across the United States.
Good ice dam protection
Adequate for the region
Cost-effective option
Lower temp rating
Good moisture barrier
Consider StormGuard for heat
Frequently Asked Questions
What is WeatherWatch?
GAF WeatherWatch is designed specifically for asphalt shingle roofs with a granular surface that provides excellent shingle adhesion and UV resistance.
How much does WeatherWatch cost?
WeatherWatch costs between $50 and $70 per square (100 sq ft). Each roll covers approximately 150 square feet.
What temperature range can WeatherWatch withstand?
WeatherWatch is rated for temperatures from 25°F to 180°F, suitable for standard residential roofing applications.
Where should WeatherWatch be installed?
WeatherWatch should be installed at critical areas prone to ice dams and water infiltration, including eaves (minimum 3 feet from edge, 6 feet in snow country), valleys, around chimneys and skylights, and at roof-to-wall intersections.