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Are you ready to ditch drafty, outdated windows and experience the exceptional performance of Marvin fiberglass windows in Denver? GS Exterior Experts is your trusted Marvin fiberglass windows installer.
We're committed to offering Denver homeowners quality windows backed by proper installation. That's why we've partnered with Marvin, a brand known for quality and innovation. Their outstanding Ultrex® fiberglass raises the bar for performance and aesthetics. It's a strong choice for homeowners like you who appreciate top-notch options.
When it comes to quality, Marvin Fiberglass Windows stands out. Crafted with Ultrex®, a pultruded fiberglass material, they outshine vinyl, roll-form aluminum, and other composites. These windows hold up to sun, wind, and temperature swings far better than vinyl or roll-form aluminum.
Marvin builds these windows from Ultrex® pultruded fiberglass, which Marvin reports is 8 times stronger than vinyl when measured by flexural modulus, with roughly six times the tensile strength.
That strength matters in Colorado. Ultrex will not rot, and it expands at close to the same rate as glass, so the frame and the glass move together through our freeze-thaw swings instead of working against each other. That reduces the stress that leads to seal failure in less stable materials.
Marvin's Low-E glazing packages reduce heat loss in winter and solar gain in summer, and Ultrex expands at nearly the same rate as glass, which helps the seal stay intact over time. Ask us for the NFRC label on the exact configuration you are considering, showing certified U-factor and SHGC for that unit.
Unlike their wood counterparts, Marvin fiberglass windows need little upkeep. No more weekend chores dedicated to window maintenance. Simply wipe them clean with a damp cloth and enjoy their lasting beauty.
Marvin fiberglass windows aren't just about performance; they're about elevating your home's curb appeal. These windows come in a wide variety of styles, colors, and finishes to complement any architectural style.
Marvin's Ultrex finish is verified to AAMA 624, the industry specification for fiber-reinforced thermoset finishes, and resists chalking, fading, and chipping. That holds up even in darker colors, which is where weaker finishes usually show wear first.
We take pride in being a trusted Marvin fiberglass windows contractor. Our team of experienced professionals will guide you through every step of the process. From choosing the right windows to expert installation, GS Exterior Experts has you covered.
Request an estimate today and see how Marvin fiberglass windows can transform your home!
Ultrex® is a proprietary pultruded fiberglass developed by Marvin, used for the Elevate, Vivid, and Essential product lines. Its finish is AAMA 624 verified, meaning it’s tested against the difficult conditions a finish faces over a window’s life.
Yes. Fiberglass windows, and Ultrex specifically, are significantly stronger and more durable than vinyl, offering better protection against harsh sun, wind, and temperature swings.
Yes. Ultrex has a markedly lower thermal expansion rate than vinyl or aluminum and is far less thermally conductive than aluminum, which helps reduce heating and cooling costs.
Fiberglass frames like Ultrex are dimensionally stable and expand at close to the same rate as glass, while vinyl expands and contracts significantly more with temperature. That’s why fiberglass tends to hold its seal better over time.
No. Ultrex has been on the market for over 20 years, with a track record of holding up well in installed homes over that time.
