Infinity Partner Detail

Big L Windows & Doors in Buffalo, NY

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.

Big L Windows & Doors in Buffalo, NY
2727 William St
Cheektowaga, NY 14227

(716) 995-4183

Special Offer Today
$100 Off Each Window Installation With Purchase of 5 or more windows


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"Extremely satisfied with installation and looks of the new windows. Very happy that the inside of windows matched your existing molding. Received excellent service from sales associate, James Tronolone along with Norm and the 4 installers. Highly recommend Big L to others." Marion C.

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.