Fiberglass Replacement Windows in The Woodlands, TX
Our Reviews
Ultra
Dependable
Ultra
Efficient
Ultra
Versatile
Ultra
Beautiful
When it comes to replacing your windows, there are many options to choose from — one of the most popular choices is Ultra Fiberglass Replacement Windows.
These windows represent the latest innovation in residential window solutions — blending the insulation of vinyl, the strength of aluminum, and the elegance of natural wood. Ultra Fiberglass Replacement Windows are available in a broad range of exterior colors, plus stainable wood interiors, allowing you to create a look that fits your home in The Woodlands perfectly.
Fiberglass is widely used in tough, high-performance products like boats, aircraft components, and even bridges. This trusted material delivers long-lasting reliability, which means your fiberglass windows won’t rot, rust, crack, or warp — making them a smart investment for Texas homeowners who want long-term energy efficiency and peace of mind.
The Benefits of Ultra Fiberglass Replacement Windows
Durability
Fiberglass is a thermoset material, meaning it holds its shape even under extreme temperatures. Unlike vinyl, fiberglass won’t sag or warp in The Woodlands’ hot summers. Its stable construction ensures years of smooth operation and lasting performance.
Longevity
Unlike wood windows that may decay or swell from exposure to moisture, fiberglass windows resist water damage. The humid, rainy weather in The Woodlands is no threat to these low-maintenance windows.
Maintenance
Every fiberglass window comes pre-finished with a factory-baked enamel paint that requires no scraping or repainting. If you want to update the color later, fiberglass makes it easy — just paint right over.
Versatility
Choose from five standard factory colors or customize to match your home’s style. You can also select from different grid options: between-glass, no grid, or simulated divided lites.
Beauty
With slimmer frames and sashes than vinyl, fiberglass windows offer the clean lines and upscale look of wood. Their stainable interiors also make them a natural fit for homes with wood accents.
Efficiency
Ultra fiberglass windows are among the most energy-efficient options available. They maintain a tight seal over time thanks to low expansion and contraction rates. These windows have the lowest air leakage ratings in the fiberglass category and boast high design pressure ratings for better performance.
Customize Your Ultra Fiberglass Replacement Windows — Choose from a Wide Variety of Styles, Colors, Divider Lites, Hardware & More.
There’s more to fiberglass than strength and beauty. Its exceptional dimensional stability keeps seals intact and minimizes air leakage. Unlike materials that expand and shrink during seasonal temperature swings, fiberglass maintains its form, keeping your indoor air in and the elements out. Don’t settle for cheaper windows that may need replacing in just a few years — invest in a window built to last.
Our Ultra Fiberglass Replacement Windows Come With A Lifetime Window Installation Warranty.
Strong, energy-smart windows help protect your home and reduce heating and cooling costs year-round. That’s why Ultra Windows uses only premium materials for every installation — from AAMA-certified sealants and rust-resistant fasteners to composite shims and our exclusive weather-tight system.
With over two decades of trusted service, our experienced installation crew ensures your windows are fitted to the highest standards — backed by a lifetime installation warranty. After seeing our precision installation process, you’ll understand why so many homeowners in The Woodlands choose Ultra Windows.
Once you’ve seen our Ultra weather tight window installation system, we’re confident that you’ll want nothing less for your home. You’re only buying new windows once. Make sure they’re installed right the first time.
More About Ultra Fiberglass
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WINDOW TYPES
We know that there is no “one-size fits all” when it comes to the windows and doors for your Houston area home. That's why we offer a wide selection of products that have been specifically chosen based on longevity and durability, rather than low price.
Our Ultra Aluminum windows are strong, durable, and a great choice for your Houston area home. Their slim profile and rigidity make them a solid choice for architects and homeowners alike.
50x stronger than wood windows
Will never bow or warp like vinyl
Black color available - without compromise
These windows combine the efficiency, versatility and the ease of maintenance of vinyl with the strength, rigidity and longevity of an aluminum window.
Looks like wood at a better price point
Incredibly energy efficient
Strong and durable
Ultra Fiberglass windows provide Houston area homeowners with a great alternative to the traditional wood window - but without the drawbacks. Versatile and beautiful, these windows will impress the most discriminating homeowner.
Narrower frames and sashes than vinyl
Will not bow, sag, or warp due to Texas heat
Wide variety of colors and styles available
Our Ultra Vinyl windows are extremely popular for home improvement projects, and they can be a good choice for Houston area homes.
Affordable
Low maintenance
Energy efficient
Our Ultra Wood-clad windows will give your home a custom look and unique feel. Create a sense of unique beauty by installing custom wood windows in your home!
Beautiful and versatile
Highly customizable
Energy efficient
Schedule a hassle-free consultation to see window samples, hardware options, colors and more.
WINDOW STYLES
At Ultra Windows, we know one style doesn’t fit every home. That’s why we offer a variety of durable, long-lasting window styles—like double-hung, picture, and casement—so you can find the perfect fit for your Houston area home.
Our Ultra Garden windows create a charming greenhouse effect—perfect for growing herbs, flowers, or simply adding sunlight to your space. Designed with energy efficiency and durability in mind, they’re a beautiful and functional upgrade for any Houston area home.
Expands outward for added space and light
Venting side windows for fresh air
Ideal for kitchens, breakfast nooks, and more
These windows combine the efficiency, versatility and the ease of maintenance of vinyl with the strength, rigidity and longevity of an aluminum window.
Looks like wood at a better price point
Incredibly energy efficient
Strong and durable
Ultra Fiberglass windows provide Houston area homeowners with a great alternative to the traditional wood window - but without the drawbacks. Versatile and beautiful, these windows will impress the most discriminating homeowner.
Narrower frames and sashes than vinyl
Will not bow, sag, or warp due to Texas heat
Wide variety of colors and styles available
Our Ultra Vinyl windows are extremely popular for home improvement projects, and they can be a good choice for Houston area homes.
Affordable
Low maintenance
Energy efficient
Our Ultra Wood-clad windows will give your home a custom look and unique feel. Create a sense of unique beauty by installing custom wood windows in your home!
Beautiful and versatile
Highly customizable
Energy efficient
Schedule a hassle-free consultation to see window samples, hardware options, colors and more.
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