Infinity Partner Detail

CRS Exteriors

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 CRS Exteriors in Knoxville, TN

CRS Exteriors is the replacement window company Knoxville depends on to provide long-lasting products and first-rate, lifetime service. Our objective is to make your home feel more aesthetically pleasing, polished, and comfortable, all while delivering a home remodeling experience that is pleasant and stress-free. Aside from Infinity from Marvin replacement windows, CRS Exteriors Custom Replacement Services also offers sunrooms, siding, and doors.

If you want to know more about replacing your windows with Infinity Ultrex® fiberglass options, contact CRS Exteriors today for a free estimate.

Address Phone Hours

By Appointment Only

Special Offer Today

$500 Off Installation With Purchase of 5 or more windows

Schedule a consultation with CRS Exteriors to learn how Infinity can help you bring new life to your home.
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"CRS of Knoxville did an outstanding job! I would highly recommend them!" John F.

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.