Exterior Door Rough Opening Size

Rough opening brickmould dim.

Exterior door rough opening size.

Framing rough opening sizes are really quite simple. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide. Just add 2 to the width of the actual door size. The rough opening size is the construction size with the side lumber studs and header.

Getting the rough opening size right the first time will save you from frustration when installing your doors. Standard door rough openings. For example let s say we want to frame a 6 8 x 3 0 front entry door. Double outswing wide mullion double wide mullion 6 6 6 8 7 0 8 0 rough opening brickmould dim.

Of frame is 40 x 86 as the frame face is 2 around all 3 sides. If you re going to frame a rough opening for a door then you ll need to know the unit size. 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.

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. You should add 2 1 2 to the height of the actual door. This will give you room to space the door frame off of the sub floor. Keep this in mind.

The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide. Use shims and or caulk to seal gaps between wall and frame.