Infinity Partner Detail

Lifetime Windows & Siding

Infinity from Marvin hand-selected us as their Independent retail partner based on our expertise and passion for serving our community.

Infinity Replacement Windows

Infinity Windows from Lifetime Windows & Siding in Denver, CO

From the outset, Lifetime’s mission was to give every one of our customers the ultimate home remodeling experience. And because putting quality before quantity is our guiding value, our idea of the perfect customer experience lies not with the number of services we offer (though we can transform much of your home), but the manner in which we offer them.

That means you can expect:

. Our transferable lifetime warranty protecting your investment for as long as you own your home

· Clear communication with rapid response times

· Dedicated experts assigned to oversee your project and ensure its success

· Locked-in pricing once an order is approved

· Going above and beyond - unlike others', Lifetime's warranty covers accidental damage for window installations.*

*Call for details and restrictions.

Address Phone Hours

Monday - Friday 8am-8pm

Infinity Diamond Partner
Special Offer Today

$300 Off Installation with Purchase of 5 or more windows

Schedule a consultation with Lifetime Windows & Siding to learn how Infinity can help you bring new life to your home.
Schedule Now

"Very high quality product. the installers were very professional and very good at installing windows. Would highly recommend these windows and company to anyone." Robert N.

Built to last with Ultrex fiberglass

Infinity from Marvin fiberglass windows and doors are built with Ultrex® fiberglass making Infinity windows stronger than vinyl windows and requiring less maintenance than wood windows.

COMPARE INFINITY Vinyl Vinyl/Wood Composites (Fibrex®) Infinity Ultrex® Fiberglass
DURABILITY
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GOOD BETTER BEST
STABILITY
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GOOD BETTER BEST
STRENGTH
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GOOD BETTER BEST

Fibrex® is a registered trademark of Andersen Corporation.

Explore Infinity’s fiberglass window and patio door collection

Browse our complete replacement window patio door collection to learn how Infinity from Marvin fiberglass windows offer durability, style and strong performance.

Explore Infinity’s fiberglass window and patio door collection

Browse our complete replacement window patio door collection to learn how Infinity from Marvin fiberglass windows offer durability, style and strong performance.