The two requirements described longer than the normal length and flat countersunk head create a limited choice of effective concrete anchors for this application.
Hollow metal door frame installation in concrete wall.
After the door frame is set the studs around the door frame are cut and installed.
Hollow metal door frames.
Sdi 110 2009 standard steel doors and frames for modular masonry construction sdi 111 2009 recommended standard details for steel doors frames accessories and re.
Because of their strength and durability steel door frames are often used in masonry walls in place of traditional wooden frames.
Hmma 840 07 installation and storage of hollow metal doors and frames hmma 841 07 tolerances and clearances for commercial hollow metal doors and frames 1 2 1 further information on wall construction anchoring details manufacturing tolerances or installation may be found in the following.
Metal frames are installed during the framing of the walls.
In many retrofit applications however it is necessary to remove and replace existing frames in walls that are already in place.
The standard frame depth is either 5 3 4 or 8 3 4 depending upon the wall panel thickness.
Hollow metal door frames are available with a wide range of anchoring options to accommodate varying wall conditions and can be used with steel doors or commercial wood doors.
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.
Metal frames are typically installed before the brick or block is erected.
Standard metal doors are 1 3 4 thick are manufactured from 16 18 and 20 gauge steel and are galvannealed.