Three roofers wanted $32k after the June hailstorm. Roof Doctor NM walked the roof, took 84 photos, and said the hail was cosmetic. Saved me from a fraudulent claim.
Owens Corning
Asphalt shingle systems — inspector's-eye notes on install spec, warranty requirements, and what typically gets skipped on NM installs.
Duration series, SureNail technology, Total Protection Roofing System, Platinum warranty spec
Owner-attested attendance. Owens Corning does not typically issue individual certificates for product-knowledge sessions. Listed as training attended, never as certification.
What we check on a Owens Corning install
- Nailing pattern — 4 vs 6 nails per shingle changes the wind warranty entirely.
- Starter strip at eaves and rakes — missing starter = wind lift within 2 storms.
- Ice & water shield in valleys and around all penetrations, not just eaves.
- Ridge cap must be manufacturer-matched hip/ridge, not cut-up field shingles.
- Balanced attic ventilation — required for the shingle warranty to stay valid.
Questions to ask any contractor bidding Owens Corning on your roof
- Are you a Owens Corning-authorized installer? Can you register the manufacturer's system warranty on my roof?
- Which Owens Corning product line are you installing? What's the exact spec — nailing pattern, underlayment, accessories?
- Will you supply photos of critical details (valleys, penetrations, flashings) before dry-in and after tear-off?
- Does the Owens Corning warranty on this bid cover material only, labor + material, or full system with workmanship?
- What's your written policy if a Owens Corning warranty claim is denied later because install spec wasn't met?
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