Of frame is 40 x 86 as the frame face is 2 around all 3 sides.
External metal door frame sizes.
Steel doors modern metal front door honeycomb blinds sliding glass door related products 32 in.
You should add 2 1 2 to the height of the actual door.
Door size wxh in.
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.
Frames that butt wall block or exterior wood stud a opening width 4 1 2 b opening height 2 1 4 the rough opening would be 40 1 2 x 86 1 4 for a 3 0 x 7 0 door frame.
Entry door prehung exterior door 6 9 16 steel doors 36 x 80 in.
Just add 2 to the width of the actual door size.
Framing rough opening sizes are really quite simple.
Door size wxh in.
Use shims and or caulk to seal gaps between wall and frame.
Armor door 36 in.
Therma tru benchmark doors 32 in x 80 in steel full lite left hand inswing ready to paint unfinished prehung single front door brickmould included with blinds item 935518 model ttbs628689.
6 panel primed premium steel front door slab.
Fire rated gray right hand flush steel prehung commercial door and frame with panic bar and hardware 679 00 699 00.
Getting the rough opening size right the first time will save you from frustration when installing your doors.