As an active member of the steel door institute sdi and the national association of architectural metal manufacturers naamm mpi adheres to the manufacturing specifications established by the sdi and the hollow metal manufacturers association hmma division of naamm.
Custom steel doors and frames.
And as the door and hardware industry evolves our standards are updated to reflect current best practices.
Mpi produces custom steel doors and frames for distribution nationally and internationally.
Frames our product line features 10 12 14 16 and 18 gage traditional frames as well as specialty constructions such as sidelite double egress knocked down and pocket door frames.
Available in fire rated models with ul classification self closers for 90 minutes.
At karpen steel we manufacture a variety of doors for commercial and residential construction.
Learn more about the different resources we have available to clients.
Securall manufacturer of preassembled steel doors hollow metal doors with honeycomb core reinforced hardware sites.
Steel doors can have embossments or attractive panels.
Manufacturer of doors in stainless or steel.
The steel door institute produces quality and performance standards for steel doors and frames.
Take advantage of our helpful door and frame resources.