Fiberglass
High stability and performance in a refined frame.
Best for: High-performance homes, larger glass areas and owners prioritizing longevity.
View Fiberglass details
We are – 100% employee owned & over 30 years in business!
Upgrade to Energy Efficient Fiberglass Windows for Less
Engineered strength, stable performance, and year-round efficiency with lower operating cost.
Regular$915
Now$549
per window installed
We are – 100% employee owned & over 30 years in business!
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Top Fiberglass Window Brands
Fiberglass Windows Installation & Replacement | Durability & Energy Efficiency
Fiberglass windows excel in durability, resisting swelling, cracking, and warping in any climate. Their sleek design suits both traditional and modern homes.
Why Choose Fiberglass Windows?
Superior Strength & Longevity
Fiberglass frames are 8x stronger than vinyl and won’t flex or sag over time. They’re built to endure harsh weather, extreme temperatures, and years of everyday use.
Energy-Saving Performance
These windows seal tight, keeping out drafts and reducing energy loss. Combined with Low-E glass, they help stabilize indoor temps and lower your monthly bills.
Custom Wood Look — Without the Maintenance
Fiberglass can be painted and even textured to resemble real wood, giving you the design you want with none of the upkeep.
Window frame guide
Compare Window Materials
See how Fiberglass compares with other frame materials. Change either alternative to match the options on your shortlist.
Practical comfort with minimal upkeep.
Best for: Value-focused replacements, rentals and homeowners who want low maintenance.
View Vinyl detailsPremium wood interiors protected by a durable metal shell.
Best for: Design-led homes needing rich interiors, broad exterior colors and strong weather protection.
View Aluminum Clad details
Upfront affordability
Relative frame-material cost before project-specific options.
Fiberglass
Mid-to-premium
Typically costs more than vinyl but less than many custom wood, clad or steel systems.
Vinyl
Most budget friendly
Usually the lowest-cost material category, with many series and option levels.
Aluminum Clad
Premium
Wood craftsmanship plus an engineered aluminum exterior places these systems in a premium tier.
Insulation potential
The frame's potential to limit heat transfer when properly designed.
Fiberglass
Excellent
Low-conductivity frames with insulated cavities can deliver excellent thermal performance.
Vinyl
Very good
Multi-chamber PVC frames insulate well; foam-filled designs can improve performance.
Aluminum Clad
Very good
The protected wood core limits conduction better than a typical all-aluminum frame.
Maintenance ease
How little routine refinishing and upkeep the frame typically needs.
Fiberglass
Low
Factory finishes need little upkeep; paintable products may eventually need refinishing.
Vinyl
Very low
No painting is normally required; periodic cleaning and hardware care are typical.
Aluminum Clad
Low outside
Factory-finished aluminum avoids routine exterior painting; interior wood care varies by finish.
Long-term durability
Resistance to age, weather and dimensional change in a quality product.
Fiberglass
Exceptional
Strong dimensional stability helps resist swelling, shrinking, warping and cracking.
Vinyl
Very good
Resists moisture and decay, while quality and reinforcement affect long-term stability.
Aluminum Clad
Exceptional
Extruded cladding protects the wood core when seams, flashing and drainage are correctly detailed.
Structural strength
Frame rigidity and ability to support larger or heavier glazing.
Fiberglass
Very strong
Stronger profiles can support substantial glazing with less reinforcement than vinyl.
Vinyl
Good
Adequate for most residential openings; larger units may use internal reinforcement.
Aluminum Clad
Very strong
Layered construction supports large sizes and robust architectural profiles.
Slim sightline potential
Ability to use narrow profiles for more visible glass.
Fiberglass
Slim
Strength permits relatively narrow frames while maintaining rigidity.
Vinyl
Usually broader
PVC profiles generally need more frame width than stronger metal or fiberglass frames.
Aluminum Clad
Slim to moderate
Exterior cladding creates crisp profiles, though the wood structure adds some depth.
Design flexibility
Range of colors, finishes, textures and architectural applications.
Fiberglass
Very good
Available in smooth, textured and paintable finishes, including convincing wood-look interiors.
Vinyl
Good
Many common colors and styles are available, but premium finish options vary by line.
Aluminum Clad
Exceptional
Combines rich interior woods with a broad palette of durable exterior colors.
Moisture & coastal fit
Resistance to moisture and coastal exposure with the correct finish.
Fiberglass
Excellent
Does not rot and remains stable in damp conditions when seals and installation are sound.
Vinyl
Excellent
PVC does not rot and performs well around moisture when drainage and installation are correct.
Aluminum Clad
Very good
The shell protects against weather, but correct detailing must prevent water behind the cladding.
Repairability
Practicality of repairing or refinishing frame components.
Fiberglass
Limited
Surface damage may be refinished, but major frame damage usually requires specialist replacement.
Vinyl
Limited
Hardware and glass can be serviced, but damaged welded frame sections are difficult to repair.
Aluminum Clad
Moderate
Interior surfaces are refinishable; exterior cladding and concealed damage need specialist work.
Environmental profile
Relative longevity, recycled-content potential and end-of-life options.
Fiberglass
Balanced
Long life and energy performance are strengths; composite construction can complicate recycling.
Vinyl
Mixed
Long service and energy savings help, but PVC production and end-of-life recycling remain trade-offs.
Aluminum Clad
Balanced
Long life and recyclable aluminum help, while mixed construction makes recovery more complex.
Fiberglass: Pros & Cons
View Fiberglass detailsPros
- Dimensionally stable through temperature changes.
- Strong frame material that can support larger glazing.
- Excellent insulation potential with insulated cavities.
- Low maintenance with paintable options on many lines.
Considerations
- Higher initial cost than most vinyl products.
- Fewer manufacturers and product lines in some markets.
- Finish repairs require compatible products and preparation.
- Damaged structural sections are not as easy to repair as wood.
Vinyl: Pros & Cons
View Vinyl detailsPros
- Strong value across a wide range of product lines.
- Good insulation and moisture resistance.
- No routine painting or exterior refinishing.
- Broad availability and short learning curve for maintenance.
Considerations
- Frames are often wider than fiberglass, aluminum or steel.
- Color and finish choices can be more limited on entry-level lines.
- Thermal movement makes engineering and installation quality important.
- Damaged frame sections are usually replaced rather than repaired.
Aluminum Clad: Pros & Cons
View Aluminum Clad detailsPros
- Real wood interiors with extensive paint and stain choices.
- Durable aluminum exterior reduces routine refinishing.
- Broad exterior color and architectural profile options.
- Good balance of insulation, strength and weather protection.
Considerations
- One of the more expensive residential frame systems.
- Installation and water management details must protect the wood core.
- Dents or coating damage may require specialist repair.
- Mixed-material construction is harder to separate for recycling.
Our Guarantee
Vinyl windows
Full lifetime transferable warranty on parts and labor
Aluminum Wood clad, fiberglass, fiberglass clad
Offer 20 year on glass.
All Other Parts
10 Years Warranty
Manufacturer's warranty on glass and frame - lifetime**
Learn More about
Different Window Types
Upgrade your entire home today with flexible payment options that
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Second Chance Financing
Lower Fixed Rates
Payment remains the same for the life of your financing.
Budget-Friendly Payments
Long-Term Savings
Secure & Stable
Immediate Upgrades
Longer Terms
Flexible repayment terms - up to 30 years for some projects.
Custom Repayment Plans
More Buying Power
Up to 30-Year Terms
Upgrade Without Stress
4 Easy Steps
Our step-by-step process is designed to make replacing your windows and doors easy, stress-free, and fully tailored to your needs — from the first estimate to the final inspection.
Start
Looking to replace your windows and doors? Reach out to Deluxe Windows for a complimentary estimate.
Manufacture
If you are satisfied with the provided estimate and approve it, we will order windows and doors according to your specifications and needs.
Remove and install
Once the products are ready, we will arrange a convenient time for installation and ensure your new windows and doors are expertly fitted.
Final product
Upon completion, each window and door will be thoroughly inspected to ensure they operate correctly and meet the highest standards of fit and finish.
Your Dream Home
Starts Here
Tell us about your project — we’ll take care of the rest.
* Price applies to minimum window installation size of 24"x24".