Welcome to JB Sash

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.

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Classic Reinvented Marvin Double Hung Window

The Innovative Next Generation Ultimate Double Hung

Yes, it has the classic look and legendary craftsmanship you'd expect from Marvin - but its' innovative multi-point locking system is the first of its kind.

This Old House Sponsor
Proud Sponsor of Award-Winning PBS Television Show “This Old House”

Through our partnership, more than 50 handcrafted Marvin windows will be installed during this season’s ambitious update of the Arlington House, an early English-style Arts and Crafts home built in 1909 in Arlington, Mass. As the project unfolds, the beloved “This Old House” cast – Kevin O’Connor, Norm Abram, Roger Cook, Richard Trethewey and Tom Silva – walks viewers through an extensive renovation and remodel using carefully selected materials and products, like the Marvin Next Generation Ultimate Double Hung window, honoring the history of the home while incorporating modern design touches and amenities.

Check your local listings for showtimes to watch the project come to life.

Reflect Your Personal Style
Reflect Your Personal Style

Driven by your own creativity and vision, and supported by your Retailer's expertise and Marvin's Built Around You promise, you can develop window designs that are uniquely your own and perfect for your home. 

With Marvin Windows and Doors, you can choose from a complementary collection of interior and exterior design options to match your taste, flair and personality. Choose colors, wood species, hardware, shades and more to bring your dreams to life. 

Sometimes all it takes is a little Inspiration.