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Fiberglass Roof Shingles, what are they?

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

Updated: Jul 24

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


💲 Cost vs. Traditional Roofing Materials


Understanding the cost is essential when considering roofing materials. Here’s a breakdown of the costs associated with fiberglass shingles:

  • Fiberglass shingles generally cost $4.00–$5.50 per square foot installed. This makes 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, which is common in Florida, is durable but very heavy and significantly more expensive to install.


⏳ Expected Lifespan


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


⚠️ Potential Issues to Watch For


While fiberglass shingles have many advantages, there are potential issues to consider:

  • Hurricane damage: Fiberglass shingles hold up better than organic ones, yet they are still susceptible to wind uplift and flying debris during storms.

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

  • Improper ventilation: Without good attic ventilation, intense heat can age your shingles prematurely. It’s vital to ensure your roof has adequate airflow to prevent this.

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


📍 Gulf Coast Considerations


Living near the coast comes with unique challenges. It is crucial to factor in wind mitigation, salt exposure, and insurance inspections. A properly installed fiberglass shingle roof can meet Florida’s stringent wind resistance codes. This installation can help reduce your insurance premium, especially if paired with a certified wind mitigation inspection.


🌊 Benefits of Fiberglass Shingles


Fiberglass shingles offer several benefits for homeowners on the Gulf Coast. They are designed to endure the harsh climate of Florida, providing both durability and aesthetic appeal. Additionally, the lightweight nature of fiberglass shingles makes them easier and less expensive to install compared to heavier alternatives like tile or metal.


🏡 Maintaining Your Fiberglass Roof


Proper maintenance is essential for extending the life of your fiberglass shingle roof. Here are some tips to keep in mind:

  • Regular inspections: Check your roof at least once a year, or after severe storms. Look for missing or damaged shingles.

  • Clean gutters: Ensure gutters are free from debris. Clogged gutters can lead to water pooling and potential leaks.

  • Trim overhanging branches: This helps to prevent damage from falling branches during storms.


🛠️ When to Schedule a Roof 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


For outstanding roofing materials, consider fiberglass shingles as a viable option. Their cost efficiency, durability, and aesthetic appeal make them a popular choice among homeowners in the area.

 
 
 

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