Replacement Windows Wheat Ridge




The Infinity from Marvin Advantage



Infinity from Marvin fiberglass windows offer timeless style, strong performance and durability built to last.
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Our engineering services provide engineering-related products such execution, repair and maintenance.
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James Hardie is the world leader in fiber cement siding and backer board. Won't Chip, Peel, Fade, Or Crack.
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  • Expands 87% less than vinyl – resists expanding and contracting in any climate
  • 8 times stronger than vinyl – protects the integrity of your home
  • Resistant to leaks, seal failures and stress cracks – all things that can affect energy efficiency


  • Ultrex’s fiberglass windows and doors strength delivers narrow profiles for expanded views and more daylight
  • Our proprietary acrylic finish is fade-resistant and virtually maintenance-free
  • We offer a complete collection of styles, features and options to complement any home


Windows and Doors for You

Founded in 1973, our family-owned company has set new standards in the window and door industry.  In Wheat Ridge, w
e provide replacement windows and customer service to deliver the best possible window, door, and siding experience.

Why Gravina's Window Center of Littleton?

    Oldest Infinity from Marvin Window Dealer in Wheat Ridge
Partnering with Marvin Windows and Doors, we knew Infinity from Marvin had a special product over 20 years ago.

     Giving Back Since 1973
As a Family-run business we have given back to Wheat Ridge, and will continue to do so.

    Lifetime Warranty
Being in business as long as we have, we know homeowners need peace of mind when it comes to their home.

Other Benefits


Highest Standards

Energy Efficiency

Professional Installation

We Offer FREE Consultations


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Latest News

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Why Should You Choose Infinity from Marvin Instead of Vinyl Windows?

Why Should You Choose Infinity from Marvin Instead of Vinyl Windows?

  Infinity from Marvin offers fiberglass windows with considerable benefits over wood or vinyl. The superior durability and tasteful aesthetics make them an excellent choice for many homeowners who are looking to replace their old, worn out windows!   STRONGER, MORE STABLE WINDOWS Infinity from Marvin is the best choice when it comes to windows. …
Infinity from Marvin Diamond Partner

Infinity from Marvin Diamond Partner

  Gravina's Window Center of Littleton is proud to be an Infinity from Marvin Diamond Partner. Based on our commitment to craftsmanship and consumer satisfaction, Infinity from Marvin selected Gravina's window center of Littleton for a premier partnership as a Diamond Retailer in 2002. Since then, we've improved thousands of your neighbors' homes with this …

Our Promise and Values

Our family is committed to providing you with the best window replacement experience. We back it up with world-class Infinity Windows and Doors in-house installation.

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