Standard hollow metal door frames are constructed from 16 gauge roll form steel but can also be manufactured in 14 gauge or 12 gauge metal thicknesses.
Hollow metal door frames standard sizes.
Hollow metal doors are made of channel reinforced steel sheets and filled with insulation materials such as polystyrene kraft honeycomb or polyurethane.
Sdi 124 2016 maintenance of standard steel doors and frames.
Sdi 134 2014 glossary of terms for hollow metal doors and frames.
Note that all the frames have a 1 2 backbend except for the 5 3 4 frame which has 7 16 backbends.
Commercial hollow metal door frames welded or knocked down for new or existing drywall block masonry walls.
Our frames are standard at 16 gauge a40 galv steel.
Sdi 118 2012 basic fire door fire door frame transom sidelight frame and window frame requirements.
The gray primer finish is suitable for painting.
Fire labeling available is 45 min 90 min and 3 hours some restrictions do apply.
The first dimension is the jamb depth which is the overall frame size.
These are standard double rabbet profiles.
Custom fire rated 16 gauge steel frames.
Sdi 117 2013 manufacturing tolerances for standard steel doors and frames.