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.

For reference standard interior door widths range from 24 36 finished opening. Just add 2 to the width of the actual door size. Getting the rough opening size right the first time will save you from frustration when installing your doors. For example let s say we want to frame a 6 8 x 3 0 front entry door.

For fire rated openings drywall must extend at least 1 2 into frame. While a standard door height is 80 finished opening. If you have questions give us a call at 888 458 5911. Door widths which are considered standard usually come in sizes of 2 6 30 2 8 32 and 3 0 36.

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 difference between a rough opening and finished opening is usually 2 3 inches. 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. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.

Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide. You should add 2 1 2 to the height of the actual door. Standard door rough openings. The first is for exterior doors and the second chart is for interior doors.

Framing rough opening sizes are really quite simple. This will give you room to space the door frame off of the sub floor.