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GIANT Siding & Windows


Window contractor Westchester NY

Marvin windows offer Westchester County homeowners exactly what they need – an energy-efficient window with an unmatched combination of beauty and toughness.

Window Style Options that Differentiate

Marvin offers a variety of options that can enhance the look of both traditional and contemporary design.


Our All Ultrex and Wood-Ultrex product lines feature the strength of Ultrex pultruded fiberglass and offer a complete line of popular styles and design options, including divided lights and exterior trim.

The value of performance

Marvin windows and doors are Built to Perform® with the features and options to fit your unique project. Our focus is providing high-quality products built to your specifications and delivered to your local distributor in an industry-leading 10 days. We use Ultrex pultruded fiberglass to build long-lasting, beautiful windows and doors backed by our never-wavering focus on customer service, and a 20-year warranty on glass seals with a 10-year warranty on manufacturer defects.

Marvin windows are each designed for unprecedented performance and exceptional aesthetics, Marvin offers window options for every style of home found here in Westchester and the world over.

From a classic double hung and single hung window to European-style tilt turn and hopper windows to casements all available in industry-leading sizes, Marvin’s innovative window solutions offer virtually endless style options, high-quality material choices, and the ability to mix and match across product lines giving homeowners the freedom to find the right form and function for their window replacement need.

Double Hung Windows

Single Hung Windows

Casement Windows

Awning Windows

Glider Windows

Bay & Bow Windows

Fairfield County Window Contractor

Specialty Windows

Round Tops Windows

Tilt Turn & Hopper Windows


Many more window types, styles, and colors are available. Get in touch with us we would love to help you find the perfect window solution for your project!