You can’t be too careful when choosing a roofing contractor. Very few contractors are factory certified by GAF.
GAF Certified Contractors are:
*Note: It’s difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.
TigerPaw – Roof Deck Protection
WeatherBlocker – Premium Eave/Rake Starter Strip
Seal-A-Ridge – Ridge Cap Shingles
Other Lifetime Accessory Options are available.