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Marvin® Windows

Marvin Fiberglass Replacement Window

Marvin is a leader in the fiberglass window industry. They pay meticulous attention to detail in the assembly of their products. Each one of their windows undergoes rigorous testing and constant quality control tests to ensure durability and consistency. Ultrex®, their patented fiberglass material, is quite possibly the perfect building material. It’s 8× stronger than vinyl and provides an insulated barrier against extreme weather temperatures.

Signature Ultimate Collection

High quality custom replacement widows that fit any opening within 1/64”. The Ultimate product line offers beautiful design, craftsmanship, quality construction, and a vast selection of shapes, styles, sizes, and options.

Elevate Collection

A window in harmony with beauty and strength. Its fiberglass exterior provides lasting durability, low maintenance, and energy efficiency. While its wood interior adds character and elegance to your home. The Elevate comes in a variety of fiberglass exterior colors and interior wood finishes.

Essential Collection

A window constructed from fiberglass inside and out. This allows a streamlined profile and clean lines without compromising on performance. The Essential collection’s finish is low-maintenance and available in 6 exterior colors and 3 interior colors.

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