Interior Door Door Rough Opening Chart

If you re going to frame a rough opening for a door then you ll need to know the unit size.

Interior door door rough opening chart.

The difference between a rough opening and finished opening is usually 2 3 inches. For reference standard interior door widths range from 24 36 finished opening. Interior knockdown frames that wrap wall a opening width 2 b opening height 1 the rough opening would be 38 x 85 for a 3 0 x 7 0 door frame. This will give you room to space the door frame off of the sub floor.

Just add 2 to the width of the actual door size. Door widths which are considered standard usually come in sizes of 2 6 30 2 8 32 and 3 0 36. You should add 2 1 2 to the height of the actual door. Getting the rough opening size right the first time will save you from frustration when installing your doors.

Framing rough opening sizes are really quite simple. For fire rated openings drywall must extend at least 1 2 into frame. Dimensional data o 2 2017 u1 revised arch 1 unit and rough opening sizing la ar al ra viewed from the exterior hand designations a l r astragal passive left hand right hand inswing. The first is for exterior doors and the second chart is for interior doors.

For m e u add actual unit dimension to door rough opening width for total rough opening width. Also if you re planning on doing it yourself these rough measurements should help to make the installation a bit easier. For example let s say we want to frame a 6 8 x 3 0 front entry door. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide.

While a standard door height is 80 finished opening. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.