Exterior Door Rough Opening Size

Use shims and or caulk to seal gaps between wall and frame.

Exterior door rough opening size.

Of frame is 40 x 86 as the frame face is 2 around all 3 sides. 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. For example let s say we want to frame a 6 8 x 3 0 front entry door. For the 36 x 80 exterior doors this rough opening will need to be 38 inches by 82 1 8 inches.

Double inswing wide mullion unit and rough opening sizing lf ff ff rf fl fr lf rf fl fr viewed from the exterior hand designations f l r fixed panel left hand right hand inswing outswing. This will give you room to space the door frame off of the sub floor. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide. Framing rough opening sizes are really quite simple.

As you can see the standard exterior door size rough opening is a full 2 inches wider than 36 inches and 2 1 8 inches higher than 80 inches. 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. Rough opening brickmould dim.

The rough opening size is the construction size with the side lumber studs and header. Just add 2 to the width of the actual door size. If you re going to frame a rough opening for a door then you ll need to know the unit size. Double outswing wide mullion double wide mullion 6 6 6 8 7 0 8 0 rough opening brickmould dim.

Keep this in mind. Getting the rough opening size right the first time will save you from frustration when installing your doors.