Timely prefinished interior steel frame a opening width 1 1 4 b opening height 1 the rough opening would be 37 1 4 x 85 for a 3 0 x 7 0 door frame.
Standard steel door frame width.
Entry doors are usually 36 inches wide.
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Actual door size is less than nominal size to accommodate for proper clearances and undercut 1 4 width 7 8 height 3070 3 0 x 7 0 actual size 35 3 4 x 83 1 8.
While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however.
Door opening width hardware locations up to 13 330 2 mm 48 1219 mm 38 42 965 1067 mm center line lock strike panic exit device strike.
More info on timely rough openings.
Linear dimensions shall be 1 16 in.
Panel doors only available in limited sizes.
A wide variety of frame anchors are available.
Sdi 117 manufacturing tolerances for standard steel doors and frames shall apply to the standard steel doors and frames specified.
All values which do not carry specific tolerances or are not marked maximum or minimum shall have the following tolerances.
Standard steel doors can be provided with a variety of louver designs and sizes.
Not all door styles available in standard sizes e g.
Frames are manufactured to accommodate any wall condition including masonry steel and wood stud.
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 steel doors frames accessories and related components the information that follows represents the standard steel door and frame.
This publication contains explanations and details of louver designs that are most commonly available within the standard door industry.