Infinity Partner Detail

Big L Windows & Doors

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 Big L Distributors in Buffalo, New York

Big L Windows & Doors is the exclusive window company trusted by residents of Buffalo and Cheektowaga to provide top quality products and lifetime service. Our goal is to help make your home look more polished, comfortable, and secure, all while delivering a home remodeling experience that is enjoyable and stress-free. Aside from Infinity replacement windows from Marvin, Big L Windows & Doors also offers Therma-Tru Doors.

Find out the advantages of family-owned service and products from the friendly representatives at Big L Windows & Doors and built-for-life Infinity replacement windows.

Special Offer Today
$100 Off

Each Window Installation
With Purchase of 5 or more windows.

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“ We attended the Spring Home Show and looked into 3 different brands of windows. We did our research and were most impressed with Infinity from Marvin. Not only because of the window itself but also because they could match the oak floors, trim, and oak cabinets. Not only did they match it but it looks incredibly beautiful. We chose to add the bow window. It was perfect. Steve was a knowledgeable and sincere salesman. The service was incredible, the installers, more incredible. The team sent up here were meticulous about every fine detail of the installation and very thoughtful about our time, home and space. And...the windows are fantastic. Good investment. Highly recommend them over other name brands. ”

Skip and Robin

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.