About Us

With over 50 years of manufacturing expertise, Gentek Building Products has earned a reputation for superior products and impeccable customer service. We are one of the few brands that offer complete lines of vinyl, aluminum and steel siding, soffit systems and trim accessories, as well as residential and light commercial windows.

We are part of Associated Materials, LLC, which includes the North American exterior building products brands of Alside, Preservation and Alpine. The vast resources of this extensive family further strengthen the Gentek brand and our ability to meet the needs of the building products industry with quality-crafted products for every project and price point.

As one of the few brands to offer an extensive product line of vinyl, aluminum, steel siding and accessories, Gentek has everything you need to create an exquisite home exterior. Our handsomely crafted profiles, inviting colors and rich textures will embrace your every idea and inspiration - making your home a true reflection of your personal taste. Gentek windows will also dramatically heighten the style and comfort of your home. Each window is performance-engineered for outstanding beauty, durability and energy efficiency. From the traditional elegance of a double hung to the sweeping curve of a bay or bow, the Gentek window collection will let you design the perfect window system.