Join us for a Special Continuing Education Course for Architects with Marvin and JB Sash. Learn how applying the goals of biophilic design to windows and doors will help you cultivate well-being within the built environment for your residential clients and their families.

*Save $50 off the installation of each Marvin window or door. Minimum purchase of five (5) windows or doors by Marvin to qualify. $1,500 maximum discount per household. Mention offer code FIFTYOFF when ordering. Offer expires July 31, 2021.

We’ve expanded our partnership with Marvin, our premier brand for Clad, Wood, Fiberglass and Modern window and door offerings. The Marvin Showroom is now on two floors.

We’re pleased to announce that our showroom is now open to the public. Personal appointments, curbside pickup and installation services are available. Click to learn more.

Click here for COVID-19 Updates and Information

THE JB SASH DIFFERENCE

JB Sash & Door, the “Home of the Window Boys,” has been New England’s leading window and door dealer since 1940.

We offer a wide range of window and door products from the nation’s leading manufacturers, including Marvin.

Our services include:

Complete design services
Custom shop capabilities
Custom paint finishes
Unique millwork options
On-time delivery
Expert installation

Our professional staff is highly knowledgeable and trained to help you find the right products to fit your project, vision and budget. Come see us at our state-of-the-art showroom located at 280 Second Street in Chelsea, Massachusetts to get started!

For over 80 years, JB Sash & Door has been serving homeowners, contractors and architects throughout New England.

Read a detailed history

It all began in 1940 ...

Joseph Bertolami, John Bertolami and John McAllister found and incorporate JB Sash & Door. Our manufacturing facility moves from Lechmere Square to Central Square in Cambridge.

1950 - 1960

Carmelo, Ugo and Sal Bertolami expand the offerings of JB Sash & Door to include contractors and homeowners.

1970

To promote replacement windows, Sal Bertolami contracts with Red Sox Great Johnny Pesky. Pesky and Bertolami become known as the “Window Boys.”

1975

JB Sash & Door opens an additional location in Somerville to be used as their retail showroom.

1980

Ugo Bertolami is instrumental in developing a vinyl clad replacement window.

1985

JB Sash & Door expands to a showroom and manufacturing facility in Chelsea.

2002

JB Sash & Door creates one of Boston’s first Marvin Windows and Doors showcases in their Chelsea facility.

2012

JB Sash & Door gets a new look. The updated logo and tagline gives a nod to their storied history … Home of the Window Boys.

2015

JB Sash & Door celebrate their 75th anniversary at Fenway Park!

2017

JB Sash & Door undergoes a major renovation and unveils their new showroom and design center.

2018

JB Sash & Door installs an in-house paint booth and ventilation system allowing them to deliver finished products that are “Painted to Perfection”.

2020

JB Sash & Door celebrates 80 years of serving contractors, builders, architects and homeowners throughout New England.

2021

JB Sash & Door announces expanded partnership with Marvin as their premier brand for Clad, Wood, Fiberglass and Modern window and door offerings. The Marvin Showroom is now on two floors.