Hollow Metal Door Frame Dimensions

Custom hollow metal frames we fabricate custom hollow metal frames to fit any size.
Hollow metal door frame dimensions. The most common sizes are 5 3 4 or 7 3 4. The rough opening would be 38 x 85. Note that all the frames have a 1 2 backbend except for the 5 3 4 frame which has 7 16 backbends. The first dimension is the jamb depth which is the overall frame size.
Floor clearance shall be provided for the functional operation of all swinging hollow metal doors and shall not be less than 0 125 in 3 1 mm. A opening width 2. Flush mount commercial steel door frames with punch dimple anchors should be equal or less than the wall thickness. If you are installing a welded frame into a fire rated stud wall remember that the drywall will have to extend at least 1 2 into the frame so you can not simply butt the drywall up to the frame at fire rated openings.
Floor clearance for fire protection rated swinging hollow metal doors shall not exceed 0 75 in 19 0 mm. Since the standard face on a hollow metal frame is 2 the outside dimensions of a 3070 welded frame will be 3 4 x 7 2 so this ro dimension will give you 1 4 of play. Jamb depths are available from 3 to 20 under 4 3 4 jamb depth will be a single rabbet frame. These are standard double rabbet profiles.
0 125 in 3 1 mm 0 0625 in 1 5 mm b. Recommended opening sizes for hollow metal frames. For a 3 0 x 7 0 door frame. Interior knockdown frames that wrap wall.