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family room with large windows surrounding

JB Sash & Door carries one of Marvin’s most essential collections.

If you’re looking for windows and doors with exceptional design, quality and performance you’ll want to consider the Essential™ collection by Marvin®. Essential windows and doors interiors and exteriors are made with Ultrex® pultruded fiberglass, a material that Marvin created over 20 years ago. Ultrex is more rigid and outperforms vinyl and composites like Fibrex® in virtually every performance category. It’s an ideal choice for anyone seeking strong, versatile and long-lasting windows and doors. And with narrow profiles, clean lines and simpler features and options, Essential makes it easy to choose the right product for your home.

front view of stone home

Dining area

“JB Sash & Door has carried the Marvin line of windows and doors for over 20 years because of its exceptional quality and innovation,” said Ron Bertolami, co-owner of JB Sash & Door. “The Essential collection is no exception. The products are strong, durable, visually striking, and virtually maintenance free.”

bedroom with big windows and fireplace

“Marvin’s Essential collection is on display in our Chelsea, Massachusetts showroom. We invite you to visit and can see first-hand the superior quality, fit and finish,” said Rick Bertolami, co-owner of JB Sash & Door.

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