Infinity high-quality Ultrex® fiberglass replacement windows and patio doors are designed to look like traditional wood windows and doors, but with low-maintenance, long-lasting, performance.
Quality Window & Door Inc in Beltsville, MD
6700 Distribution Dr
Beltsville, MD 20705
3015959555
"Quality Window and Door did a great job walking me through the process and installers were great." Bruce L.
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 Learn more |
GOOD | BETTER | BEST |
STABILITY Learn more |
GOOD | BETTER | BEST |
STRENGTH Learn more |
GOOD | BETTER | BEST |
Fibrex® is a registered trademark of Andersen Corporation.
Browse our complete replacement window patio door collection to learn how Infinity from Marvin fiberglass windows offer durability, style and strong performance.
Browse our complete replacement window patio door collection to learn how Infinity from Marvin fiberglass windows offer durability, style and strong performance.