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Owens Corning vs GAF Shingles in Florida: Best Asphalt Roof for Hurricanes?

Updated for 2026 · Roofing · verified Florida pricing + warranty details

By the I'm Moving to Florida Editorial Team · Last reviewed May 23, 2026

The 30-Second Verdict

Both are excellent — GAF Timberline HDZ holds the highest wind resistance rating (Class F, 130 mph) while Owens Corning Duration Smart Algae Resistance is best for Florida's humidity and mold-prone climate.

Head-to-Head Breakdown

Owens Corning

Pros

  • Duration Smart algae resistance (10-yr guarantee)
  • SureNail® technology improves wind uplift
  • TruDefinition® color blending
  • Preferred Contractor program in FL

Cons

  • Slightly less wind-rated than GAF HDZ
  • Fewer color options than GAF
  • ProEdge enhanced warranty requires certified installer
GAF

Pros

  • Class F wind rating (130 mph) on Timberline HDZ
  • LayerLock technology reduces blow-off
  • Largest roofing brand in North America
  • StainGuard Plus algae protection 25 years

Cons

  • Slightly higher cost on premium lines
  • GAF Certified Contractors harder to find in rural FL
  • Lifetime warranty requires registered installer

Side-by-Side Comparison

Owens CorningGAF
Wind Rating (top product)Class H, 130 mph (Duration Storm)Class F, 130 mph (HDZ)
Algae ResistanceDuration Smart (10-yr guarantee)StainGuard Plus (25-yr guarantee)
Cost per Square (installed)$350–$550$380–$580
Warranty (lifetime)Yes (with Preferred Contractor)Yes (with GAF Certified Contractor)
FL Contractor AvailabilityGoodExcellent
Impact Resistance Option?Yes (Impact)Yes (Armor Shield II)
FL Climate PerformanceExcellentExcellent
Insurance Discount Eligible?Yes (Class 4 impact)Yes (Class 4 impact)

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