RIDGE EXTERIORS
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Home / Guides / GAF vs Owens Corning vs CertainTeed: A Straight Comparison
■ HOMEOWNER GUIDE

THE SHINGLE WARS, REFEREED

Homeowners ask "which shingle brand is best?" expecting a horse race. The honest answer disappoints salesmen: all three majors — GAF, Owens Corning, CertainTeed — make excellent architectural shingles, and the differences within each brand's lineup are bigger than the differences between brands.

What actually varies

  • Warranty structure — each brand's top warranties require certified installers and full-system components (their underlayment, starter, cap). That's partly quality control, partly lock-in — know which you're buying.
  • Wind ratings — flagship lines (Timberline HDZ, Duration, Landmark Pro) all carry 110–130 mph ratings when nailed correctly. The parenthetical is the whole game.
  • Color ranges and regional availability — genuinely different; your supplier's stock often decides.

The uncomfortable truth

A mid-tier shingle installed excellently outlasts a premium shingle installed carelessly — six nails vs. four, correct exposure, real starter courses, ventilation done right. When comparing quotes, the brand line matters less than: certified installer? full system? warranty registered in your name? Those questions predict your roof's lifespan better than any brochure.

Common questions

Are expensive designer shingles worth it?

Aesthetically, often; functionally, the flagship architectural lines already carry the top wind and algae ratings. Designer lines mostly buy looks.

What does a 'lifetime' shingle warranty mean?

'Lifetime' covers the original owner with strong protection early (often 10 years full coverage), then prorates. Labor coverage depends on the tier — read the schedule.

Do algae-resistant shingles matter in NY?

Yes — the black streaking common on Island roofs is algae. AR granules (standard on major flagship lines) genuinely slow it.

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