*Minimum purchase of 5 windows or doors by Marvin to qualify. $1,500 maximum rebate 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 are pleased to support our customers during this reopening period. For more information on visiting our showroom, picking up products or scheduling installation services, please review our current policies here.

Click here for COVID-19 Updates and Information


Experience, Customer Service and Flexibility are the hallmarks of JB Sash.
We have been leaders in the window and door business for over 80 years.

Our professional staff is highly knowledgeable and trained to help you find the right products for any project. We offer an extensive range of services including shop drawings, custom carpentry, delivery and installation.
In addition to an onsite manufacturing facility and warehouse, our convenient Chelsea location features a beautiful showroom which is open to the public.

No matter what you’re looking for, JB Sash can either order it or make it
… to your specifications.