Welcome to JB Sash & Door Inc.

JB Sash & Door Company features Marvin window and door products.  Visit our showroom in Chelsea to view full size displays, in real home settings. Whether you are a homeowner, architect our builder, we will help you visualize how Marvin products will complement every new home or home improvement project.  JB Sash & Door's highly skilled, knowledgeable team of Marvin Window and Door professionals will help you select the right product for your project. Experience the difference at JB Sash & Door - where we have been dedicated to meeting New England's door and window needs for nearly 70 years.


The Next Generation Ultimate Double Hung from Marvin is a classic reinvented. This window sets a new industry standard for operation, performance and design as it seamlessly combines state-of-the-art technology with Marvin's legendary craftsmanship. Its innovative keeperless hardware system, multi-point locking system, lockable vent mode and other performance and aesthetic-enhancing improvements allow you to effortlessly and intuitively perform a variety of functions: Lock and unlock with a flick of the sweep, lock in vent-mode with four inches of clearance and tilt-in for easy cleaning, to name just a few features.

With Marvin's Next Generation Ultimate Double Hung, you get a traditional-looking window that's anything but traditional.


At Marvin® Windows and Doors, we're committed to creating distinctive, beautiful products that continually elevate the standard of quality and innovation. Our scenic doors bring this spirit to life and help you discover new possibilities in home design. Connecting open, spacious interiors with open, spacious exteriors, Marvin Lift and Slide and Bi-Fold Doors take our Built around you® philosophy to a new level of inspiration. Available in stunningly large sizes and numerous panel configurations, our scenic doors allow for a seamless transition from the exterior to the interior of your home.

We're proud to build the windows and doors that define your personal aesthetic and achieve your standards for beauty and quality. Whether you need windows and doors for a new addition, renovation, replacement project or new construction, we have the solution that will complement your architecture and reflect your personal style.

Looking for replacement windows and doors that offer 100% confidence and 0% compromise?

Look no further than Marvin Integrity replacement solutions. They're a great way to boost your home's beauty, comfort level and value.

Choose your local Authorized Installing Retailer and be confident in a team that offers the industry's leading warranty and unbeatable service for your replacement project.

Handcrafted in America
Handcrafted in America

Marvin Windows and Doors are handcrafted in America by master craftsmen who take pride in their work. The company's heritage is built on vision, determination and an abiding commitment to core beliefs. Each window and door is made to order, with an unwavering focus on quality, service and innovation.  Marvin sells only through local, independent Retailers because they know the importance of values and quality.