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Fiberglass Roof Shingles, what are they?

  • Writer: Chris Toombs
    Chris Toombs
  • Jun 23
  • 2 min read

What You Need to Know About Fiberglass Shingle Roofs on Florida’s Gulf Coast

If you're a homeowner along the Gulf Coast of Florida—from Spring Hill to Crystal River—you know how critical it is to have a roof that can stand up to heat, humidity, storms, and salt air. One roofing option that has gained popularity in our area is fiberglass asphalt shingles. But are they the right choice for your home? Here’s what you should know:

✅ What Are Fiberglass Shingles?

Fiberglass shingles are made from a woven fiberglass mat coated with asphalt and topped with ceramic granules. They are lightweight yet durable, and designed to resist fire, UV rays, and water. Compared to traditional organic shingles (made from felt paper and asphalt), fiberglass shingles are thinner, stronger, and less prone to warping in Florida’s heat.

💲 Cost vs. Traditional Roofing Materials

  • Fiberglass shingles generally cost $4.00–$5.50 per square foot installed, making them more affordable than tile or metal roofing.

  • Compared to traditional organic shingles, fiberglass shingles are slightly cheaper and last longer.

  • Metal roofing can last longer but often costs double or more upfront.

  • Tile roofing (common in Florida) is durable but very heavy and much more expensive to install.

⏳ Expected Lifespan

On Florida’s Gulf Coast, fiberglass shingles typically last 20–25 years with proper maintenance. While some premium options claim up to 30 years, local conditions—such as tropical storms, salt air, and UV exposure—can shorten that lifespan.

⚠️ Potential Issues to Watch For

  • Hurricane damage: While fiberglass shingles hold up better than organic ones, they’re still susceptible to wind uplift and flying debris.

  • Algae growth: Florida’s humidity can lead to dark streaks. Many shingles now come with algae-resistant coatings, so ask your installer.

  • Improper ventilation: Without good attic ventilation, the intense heat can prematurely age your shingles.

  • Installation quality: Poor installation is one of the top reasons fiberglass roofs fail early. Make sure your contractor is licensed, experienced, and familiar with Florida building codes.

📍 Gulf Coast Considerations

Living near the coast means factoring in wind mitigation, salt exposure, and insurance inspections. A properly installed fiberglass shingle roof can meet Florida’s wind resistance codes and help reduce your insurance premium if paired with a certified wind mitigation inspection.

If you're considering a roof replacement or just want to understand your current roof's condition, it might be time to schedule a roof inspection. Knowing what you have over your head is the first step to protecting your home and your family.


In need of a roof inspection? I’m local and happy to help!

—Chris Toombs


PointWise Inspection Services – Serving Hernando, Pasco, Citrus, and Sumter Counties


Specializing in Wind Mitigation, 4-Point, and Roof Inspections


📞 Call or Text: 352-616-8768


 
 
 

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