WINDOWS

Maine Made Windows. Mathews Brothers is a leading manufacturer of superior quality windows and doors.

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Dedicated to excellence, Mathews Brothers combines experience, technology and superior craftsmanship to produce our exceptional product lines.

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It doesn't matter if you’re starting from the ground up or if you’re remodeling a classic home, set your project apart from the rest with Mathews Brothers windows.

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We understand that homeowners demand premier quality vinyl windows that conform to the industry’s highest performance standards.

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Marrying the beauty of pine interiors with the maintenance freedom of acrylic exteriors, Mathews Brothers’ Merrill family of products offer superior performance and classic styling.

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If you’re an architect, contractor or homeowner looking for new innovations that conserve energy, save money and upgrade homes with sustainable products – look no further than Mathews Brothers’ Clara Starrett with EnergyCore® technology.

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Mathews Brothers new construction, vinyl windows are specifically designed to meet the discerning needs of architects, builders and homeowners.

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At Mathews Brothers, we are always looking for new technology and unique components to make our windows more energy-efficient and environmentally friendly.

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Mathews Brothers uses state-of-the-art equipment and materials to build traditional wood, vinyl and contemporary composite windows.

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Mathews Brothers has been making window products for New England since 1854. Our manufacturing plant in coastal Belfast, Maine uses state-of-the-art equipment and materials to build vinyl and contemporary composite windows and doors.

Mathews Brothers Vinyl Window Products do more than just let the light in and keep the cold out. They give character to your home that is a reflection of your personal taste and lifestyle. Our wide range of windows lets you find a product that is perfect for your home and your wallet. All of our windows are made in America, using American-made components. JB Sash has been working with Mathews Brothers for nearly 70 years. We work closely with the factory to provide a quality vinyl window and door solution to our customers.