Replacement Marvin Windows and Doors

Marvin designs windows and doors motivated by how homeowners live. Explore Marvin Windows and improve your home's appearance, performance, and value.


We represent the remodeling industry's finest window and door manufacturers. - Marvin Windows and Doors, Infinity from Marvin, Provia Doors, and Therma Tru Doors

Our in-house installation teams are the best in the business, accredited by InstallationMastersUSA, and have the craftsmanship and know-how to convert your house into the home you deserve. We take satisfaction in the products we represent and guarantee our customer's satisfaction throughout their home renovation project.


Some Benefits of Marvin Replacement Windows

  • Reduce your monthly energy usage.
  • Improve your home’s comfort and beauty while adding value to your home.
  • Gain peace of mind with additional security from newer window technology.
  • All while being GREEN at the same time. Protect our environment now and for future generations.



Decades of Real Window Replacement Experience

Contact Gravina's Window Center of Littleton and get your FREE Marvin Window consultation scheduled. Free Written Estimates.


Installation Warranty

Our complete window and door warranty gives peace of mind so you can enjoy your Marvin windows and Marvin doors for years to come.

Marvin Windows and Doors - Built for You and Your Home

If you need to replace your windows and doors, we're here to help. Our consultative approach makes the window replacement process more comfortable.

The Marvin Essential™ window and door collection brings together design, quality, and performance in one streamlined offering. Robust and durable fiberglass frames and interiors are both striking and almost maintenance-free. Simplified choices make the order process straightforward, while clean lines and varied styles make it effortless to meet replacement window and door demands.


Read More


Why Choose Marvin?

When it comes to windows, you want a window and door expert.  That’s why Marvin Windows and Doors are only sold at local, trusted, independent dealers — not big box stores. Marvin never compromises on quality - offering unparalleled value, energy-efficiency, and expert craftsmanship. When you create some of the world’s best windows and doors, you won’t let just anyone sell them.

Marvin Windows

Designed for unparalleled performance and exceptional aesthetics, we offer window options for every style of home in any environment from a traditional double-hung and single-hung window to European-style tilt turn and hopper windows to casements. Marvin windows also are available in industry-leading sizes, countless style options, high-quality material options. All of this combined gives Marvin window dealers the ability to design the right form and function for residential replacement needs.

Marvin Doors

Marvin created their doors to maximize the connection to the environment in any living space. Three Marvin Door Collections give architects, designers, and homeowners design flexibility. By offering more styles, more high-quality material options, and more interior and exterior finish selections. So whether it's appearance or performance, style or size, design, or function, that guides your project's design, with the Marvin Doors the possibilities are endless.
If you’re just starting to think about replacing your windows or are in the planning stages of your project, we can help you explore your options and designs, answer any questions, or create a quote.  As the oldest Marvin Dealer in Castle Rock, we know the benefits of having exceptional windows in Colorado.

Marvin Windows - The Gold Standard of Window Replacement

Driven to imagine and create better ways of living, helping people feel happier and healthier inside their homes. Marvin believes that their work isn’t just about designing better windows and doors — it’s about opening new possibilities for the people who use them.

Marvin's commitment to quality starts with discerning standards for material selection. Marvin sources only the highest quality and most durable materials for our window and door products.

When customers choose Marvin replacement windows they know they perform.  Backed by Gravina's Lifetime Installation Warranty, Marvin Windows and Doors are the most durable replacement window in Castle Rock CO.  


As Seen On...





guildmaster award winners   Click for the BBB Business Review of this Windows in Denver CO
Don't forget to ask about our current offers and special financing options for Infinity or Marvin replacement windows and doors!

Castle Rock Marvin Windows and Door Replacement since 1973