Quanex offers a broad range of door components, including sills, thresholds, weather seals, and much more, helping you get the most from your door systems.

Endura does one thing, and they do it better than anyone else in the industry. They make exterior door components that work better, install faster and last longer, while automatically adapting to opening conditions to deliver truly maintenance-free performance. Whether it’s rot-proof exterior door jambs, auto-adjusting thresholds and sill systems, unmatched multi-point locks or high-performance astragal solutions for French doors – they have a solution that will never stop working for you.