As one of the industry’s few full‑line manufacturers, we offer comprehensive collections of vinyl, aluminum, and steel siding, soffit systems, trim accessories, and residential and light‑commercial windows—all engineered for long‑lasting performance and standout curb appeal.

Gentek is part of Associated Materials Innovations, which—along with Alside and Gentek Canada, is owned by Associated Materials, LLC. This strong ownership structure and extensive brand family enhance our manufacturing capabilities and further strengthen our ability to deliver high‑quality, competitively priced building products for every project and budget.

As one of the only brands offering such a broad portfolio of vinyl, aluminum, and steel siding and accessories, Gentek provides everything needed to create a beautiful, durable home exterior. Our carefully crafted profiles, rich textures, and designer‑inspired color palettes help bring any architectural vision to life—making every home a true expression of personal style.

Gentek windows further elevate the look and comfort of a home. Each window is performance‑engineered for energy efficiency, durability, and lasting beauty. From the classic appeal of double‑hung windows to the dramatic presence of bay and bow styles, the Gentek window collection empowers you to design a window system that enhances both aesthetics and everyday living.