Quanex Building Products Corporation
Window and door components engineered for energy efficiency.
Quanex Building Products is a manufacturer of highly engineered components supplied to window and door OEMs, including insulating glass spacer systems, flexible foam and rigid profiles, screens, and window and door hardware. Its North American Fenestration segment produces warm-edge spacer systems under the SuperSpacer brand that improve the thermal performance of insulating glass units. The European Fenestration segment manufactures PVC-U window profiles for UK market window fabricators.
- Type
- Manufacturer
- Location
- Houston, TX, United States
- Founded
- 1927
- Website
- quanex.com
- Categories
- Building & Construction Materials, Plumbing, HVAC & Fixtures, Industrial Supplies
- Markets
- United States, Canada, Germany, United Kingdom
Verified facts
- domain-registered (green), checked 2026-08-09 Domain registry record
- corporate-mail-on-domain (green), checked 2026-08-09 Mail server of the company domain
- sanctions-clear (green), checked 2026-08-09 OpenSanctions
- web-presence-since (green), checked 2026-08-09 Internet Archive (Wayback)
- debarment-clear (green), checked 2026-08-09 OpenSanctions
- lei-active (green), checked 2026-08-23 GLEIF global LEI register (golden copy)
Claimed certifications
- ISO 9001, Quality Management IAF CertSearch
- ISO 14001, Environmental Management IAF CertSearch
Import rules for these goods
- Construction products sold in the EU need a Declaration of Performance and CE marking under the Construction Products Regulation. European Commission (CPR)
- Cement and steel components imported into the EU fall under CBAM (definitive regime from 1 Jan 2026). European Commission (CBAM)