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JB Sash & Door

280 Second Street
Chelsea, MA 02150
Toll Free: 1-877-JBSASH1
Company Profile: 



JB Sash & Door, the “Home of the Window Boys,” has been New England’s leading window and door retailer since 1940. They offer a wide range of window and door products to fit projects of all sizes, styles and budgets. 


JB Sash’s Design Gallery Showroom has two floors with a vast selection of Marvin products, featuring the Signature, Elevate and Essential window and door collections. Visitors to the showroom can see, touch, feel and experience innovative products like Marvin’s breakthrough Skycove™, a projected glass window that can add up to 20 square feet of space to your home, and the Awaken™ smart skylight. 


JB Sash has offered Marvin windows and doors for over 20 years and knows firsthand the exceptional quality that goes into every Marvin product. They also offer complete design services, custom shop capabilities, custom paint finishes, unique millwork options, on-time delivery, expert installation and competitive pricing for all Marvin products. 


JB Sash’s professional staff is highly knowledgeable and trained to help you find the right products for your project, vision and budget. Call today to schedule an appointment to visit their showroom. You’ll see that no one knows Marvin better than JB Sash.

Visit JB Sash & Door to learn more.

As Featured In...

dining room
JB Sash & Door showcases Marvin’s Signature Modern line If you believe that less is more, you’re probably a fan of modern architecture. The linear, clean and uncluttered look of modern design is all about celebrating the structure and materials versus covering them up with unnecessary and ornate design details. It’s about simplicity, lightness and openness, a restrained palette, and large...
family room with large windows surrounding
JB Sash & Door carries one of Marvin’s most essential collections. If you’re looking for windows and doors with exceptional design, quality and performance you’ll want to consider the Essential™ collection by Marvin®. Essential windows and doors interiors and exteriors are made with Ultrex® pultruded fiberglass, a material that Marvin created over 20 years ago. Ultrex is more rigid and...
Remodeled dining area with cathedral ceilings big farm table and big scenic windows
JB Sash & Door joins forces with Marvin to better serve its customers. JB Sash & Door, New England’s leading window and door retailer since 1940, recently expanded its partnership with Marvin®, a national window and door manufacture that the company has worked with for over 20 years. Making Marvin its premier brand for clad, wood, fiberglass, and modern window and door offerings is a...