About

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Headquartered in Houston, Texas, with locations around the globe, Quanex Building Products Corporation is an industry-leading manufacturer of engineered materials and components for building products sold to Original Equipment Manufacturers (OEMs).

Through our two main business units, we design and produce high-performance window and door products, systems and solutions, and quality aluminum sheet products from 100% recycled materials.


Engineered Products

Producing window and door components, and other residential building products for OEMs, our operations primarily serve the construction and remodeling markets.

  • Vinyl Composite Window and Door Products
  • Insulating Glass Sealant Systems & Components
  • Engineered Components
  • Engineered Wood Flooring
  • Architectural Moulding
  • On line Custom Screen Products

Aluminum Sheet Products

Our aluminum mini-mill casting and three stand-alone aluminum sheet finishing plants produce aluminum sheet that we can reroll, cast to specific gauge, anneal, custom slit and coat with various materials and textures. Customer end-use applications include exterior housing trim such as fascias, screen frames, muntin, roof edgings, soffits, downspouts and gutters. 

  • Coated and Mill Finish Aluminum Sheet Products.