Roofing Blog · Roof Express
GAF vs Owens Corning vs CertainTeed: Choosing the Right Shingle System
A practical comparison of three major shingle systems—what to ask your roofer, how warranties really work, and what matters most in the Bay Area.
Updated Jan 05, 2026
Bay Area Roofing
Permits • Pricing • Materials
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Roofing Wikipedia (2026)
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Bay Area Roofing
Permits • Pricing • Materials
Updated Jan 05, 2026
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