Our Services

Let us bring your residential or commercial project to life.

Homeowner Services

New England homeowners can expect world-class quality from right down the road. Our Boston-based team delivers turnkey window and door solutions with satisfaction guaranteed. 

Replacement Solutions

Replacement windows and doors from JB Sash can improve and preserve your home or business, save you money, and make your space more comfortable and secure. Upgrade your space today with JB Sash & Door. 

It all Starts Here​

Our design center and Marvin showroom minutes from downtown Boston brings new meaning to the term “window shopping.” 

Experience the JB difference for yourself when you see, feel, and compare our extensive selection with the guidance of our window and door experts.

Open to the public: Monday -Friday
7:30am – 4:30pm

Let's Make a Plan

Our architectural team is here to support you at every step of the design process. Our highly trained specialists have extensive background in window and doors design, and have years of experience working with New England architecture.

JB Sash architects are available to guide you through the specification process to select the right products for your residential and commercial projects.

From Concept to Construction, we are Here to Help

JB Sash offers contractor services to bring your window and door visions to life. We work closely with you to create structurally sound plans that combine form and function. 

Our product knowledge and experience in the field ensures your project will be built to last.

Commercial Solutions

We offer personalized support for even the most complex commercial projects. From custom technical drawings to on-site support, JB Sash covers all of your commercial window and door needs. 


Custom Shop Services

From custom millwork to our state-of the art paint shop, JB Sash has over 80 years experience as experts in custom window and door solutions.