A Trusted Source for High-Quality Sliding Doors

Are your home’s patio doors difficult to open and close? Are you looking to replace them with high-performance sliding doors to restore your home’s functionality and appearance? If so, look no further than Lifetime to assist with your new door installation. Our reliable home improvement company offers top-notch customer service and flawless installations. You can depend on us for professionalism and the best products on the market—we’re the nation’s top Infinity® from Marvin® dealer.

Top-of-the-Line Sliding Doors

Our Infinity® sliding doors provide expansive views of your outdoor living space and bring ample natural light into your home. Moreover, they have a top-hung screen design for easy operation and offer excellent security with a multi-point locking system. Our team will help you choose from the following features to fit your home’s architecture and achieve the aesthetic you want:

Interior and exterior colors
Divided lites
Two, three, or four-panel configurations
Hardware finishes
Decorative and performance glass

During your complimentary consultation, our specialists will show you our numerous customization options and help you design the perfect sliding doors for your home.

Turn to Our Expertly Trained Team

Lifetime is a locally owned company. We put customer satisfaction first and always keep a clear line of communication open throughout each project to ensure you’ll get exactly what you want out of your home renovation. And we offer a double transferable lifetime warranty that covers parts, service, labor, and accidental glass breakage for your peace of mind.

Ready to Get Started?

Lifetime is the team to rely on for your new sliding door installation or replacement. We offer financing and special offers for qualifying customers. Contact us today to schedule a complimentary consultation. We have locations in Denver, CO, and serve nearby areas. We look forward to helping you renovate your home.

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Read Our Reviews

It takes a special home remodeling contractor to consistently deliver best-in-class customer service. Read about our customers’ delightful experience working with Lifetime, then contact us today to get started with your project.

"Lifetime Windows did an outstanding job replacing our windows & sliding patio door. The crew are definitely skilled craftsmen who have experience in this industry. There was no damage, they made sure everything was sealed properly, were courteous, and did an excellent job cleaning up. The project went smoothly with great efficiency..."

Mike L.

"We had 16 windows and a patio door replaced by Lifetime and the whole process, from the first meeting and estimate all the way through the final installation, was great! The sales and office staff were great with communication and the installation crew did an excellent job..."

Travis H.

"Interviewed multiple companies. Lifetime made us the most comfortable and their quote was pleasant for the size of our project. The window crew was phenomenal and did beautiful work! All the windows fit and work perfectly! Can’t wait to have the siding project completed!"

Randy M.

"I had Lifetime Windows & Siding install James Hardie siding on my house. I am very happy with the product and the crew that installed it. The house looks amazing and the crew did a great job of clean-up afterwards. They have been doing this for a long time, and it shows. They work hard and pay attention to details..."

Tim M.

"Lifetime was awesome! I am an architect and am very picky about the work that is done to my house. Everyone was very professional through the whole process from sales to install, and their pricing beat out other competitors. The install crews were very skilled, kind and respectful, and they always made sure everything was taken care of..."

Christine R.

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