Infinity® by Marvin® Replacement Windows Across Colorado

Gravina's Window Center of Littleton® has served Colorado homeowners since 1973. As the state's oldest authorized Infinity® by Marvin® dealer, we install Ultrex® fiberglass replacement windows, patio doors, entry doors, and James Hardie® siding from our Littleton and Denver showrooms. Find your city below to learn how we serve your neighborhood.

Find Your City

Douglas County

In Douglas County, Gravina's Window Center of Littleton® installs Infinity by Marvin windows and James Hardie siding in Highlands Ranch, Lone Tree, Castle Rock, and Parker homes, including wildfire-zone properties where Hardie siding is paired with our window replacements.

• Highlands Ranch
• Lone Tree
• Castle Rock
• Parker

Arapahoe / Jefferson County

Across Arapahoe and Jefferson County, our team has replaced windows and doors in Littleton, Ken Caryl, Centennial, Lakewood, and Golden, working out of our Littleton showroom just minutes from most of these neighborhoods.

• Littleton
• Ken Caryl
• Centennial
• Lakewood
• Golden

Denver County

We serve Denver homeowners directly from our showroom at 1500 W 38th Ave, with the same Infinity by Marvin product line and installation team as our Littleton location.

• Denver

Boulder County

Boulder-area homeowners work with the same Infinity by Marvin dealer team, with project coordination from our Denver and Littleton showrooms.

• Boulder

Visit Our Showrooms

See Infinity® by Marvin® windows and patio doors in person. Our showroom experts will walk you through options, finishes, and energy-efficient glass packages.

Littleton Showroom: 209 W Littleton Blvd, Littleton, CO 80120
Denver Showroom: 1500 W 38th Ave, Denver, CO 80211

Don't see your city listed? We likely serve your area. Call 303-794-0490 or request a free consultation to get started.