About-Simonton-Replacement-Vinyl-Windows-and-Doors

About Us

Ply Gem Simonton Windows & Doors is part of the Cornerstone Building Brands family. Headquartered in Cary, North Carolina, Cornerstone Building Brands is North America’s leading exterior building products manufacturer.


The Simonton Story

Simonton was founded in Pennsboro, West Virginia in 1946, when Fred and Sybil Simonton recognized the need for high-quality exterior aluminum products and founded Pen Vent Awning. Their son would later help take Simonton to the next level. In 1981, he convinced the rest of the family that in order to differentiate the company from its competitors, they would need to begin producing energy-efficient vinyl windows. As a result, Simonton Windows was born.

Today, the Simonton portfolio of products includes 12 different window and patio door lines with varying structural and stylistic features, all of which can be ordered to meet ENERGY STAR® guidelines. In addition, Simonton is committed to always exceeding customer expectations with the highest‐quality products available and unbeatable service.

For more information about Simonton products, browse the website or visit them on any of their social pages: Facebook, Twitter, Pinterest or YouTube.

The Simonton Standard: Mandy's Story

The Simonton Standard: Tadd's Story

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House: Your view, your way.

Shopping for windows and patio doors has never been easier. Use our customizable shopping cart, House, to add your favorite styles to every room.

Once you create an account, begin by browsing our collection of patio doors and window options. Your House helps to keep track of your top picks as you shop new construction windows, replacement windows and our best rated patio doors.

Build your vision with ease. Simonton offers a variety of tools and resources to support you throughout the buying process, including videos, brochures, maintenance tips and frequently asked questions. Click here to start creating your House.

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