Hollow metal door frames.
Commercial door frame types.
Hollow metal door frames are a heavy duty steel frame that can be provided as a knocked down or welded assembly.
Knocked down masonry frame.
This frame arrives assembled squared welded at miters and ground smooth.
F 18 1mm f 16 1 3mm f 14 1 7mm f 12 2 5mm fs 16 1 3mm fn 18 1mm fn 16 1 3mm fn 14 1 7mm fe 16 1 3mm fe 17 1 7mm mu 18 1mm mu 16 1 3mm.
Commercial metal door frames hollow metal door frames timely prefinished steel frames and interior aluminum door frames are among the most common types of commercial door frames.
This frame does not arrive assembled three pieces 2 jambs and head welded masonry frame.
Knocked down drywall frame.
Aluminum assemblies can usually only be fire rated up to one hour which may not meet some building codes.
3 piece knocked down wraps wall.
While other commercial doors are installed in steel frames these doors are installed in aluminum frames which have a slightly different profile than other units.