Locally-owned and manufactured right here in New England, Mathews Brothers windows offers high-quality products to match the style of preferences of any home. Mathews Brothers began making window products for New England in 1854. Their manufacturing plant in coastal Belfast, Maine combines generations-old commitment to quality with state-of-the-art equipment and materials to build vinyl windows and doors.

Ask our window specialists about Mathews Brothers today!
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Local Projects Featuring Mathews Brothers

(Product line used in photos below is Sanford Hills)

Two Featured Product Lines

Mathews Brothers Window Products do more than just let the light in and keep the cold out. They give character to any home that is a reflection of personal taste and lifestyle. Their wide-range of windows lets you find a product that is perfect for the home and the wallet. All of their windows are manufactured right in Maine, using American-made components.

Spencer Walcott

Vinyl Window Series

Spencer Walcott replacement window series, and the new construction series represent both the highest industry standards and Mathews Brothers’ own exacting principles. These beautifully styled vinyl windows provide superior quality and are a state-of-the-art product.


  • Limited lifetime warranty
  • Highest quality vinyl for a lifetime of trouble-free performance.
  • Full 3¼” jamb depth chambered frame for maximum structural integrity.
  • Fusion-welded frames and sashes for extra strength and durability.
  • ¾” Insulating glass for superior thermal performance.
  • ½” Flat Coil Spring Balances (constant force for easy operations).
  • Lock-in pivot pins
  • Choose from multiple configurations, cross sections, glazing and grille options.

Sanford Hills

High Performance Vinyl Windows

Combining the traditional historic look of wood with the thermal and structural performance of vinyl, the Sanford Hills is truly a breakthrough product.


  • Limited Lifetime Warranty
  • 4 9/16″ Master Frame
  • PG-50 Without Upgrades
  • Historic 1¾” Sash Members
  • Low-Conductive, Non-Metallic Reinforcement
  • Low-e/Argon Fill Standard
  • ¾” Dual and 1⅛” Triple Glazing
  • Dura Lite Warm-Edge Spacer
  • Nailing Flange
  • Fat ⅞” J-Channel
  • White or Adobe Frame Colors

Talk to one of our Mathews Brothers specialists today!
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