Manufacturers of high-quality, quick-install steel door and frame systems.

Strongdor has manufactured over 128’000 doors and frames since 2009 and is bringing its tried and tested service offering to the USA with the first location in Illinois.

Our mission is to “make life easier for the installer” through five key areas that set us apart from the competition.

Our state-of-the-art facility in Illinois will enable Strongdor to manufacture and offer the five points of difference.

Fast Install - Install door, frame and hardware in under 1 hour with a patent-pending adjustable anchor system.

Pre-Painted – Doors and Frames powder coated in a topcoat colour of your choice.

Pre-Hung – Pre-installed hinges, threshold and gaskets.

Integrated Astragal – Full-height built-in latch guard as standard.

Pre-Installed Hardware – Locks, exit devices, kickplates and closers can be pre-installed in our facility