Exterior Door Rough Opening Sizes

The required dimensions to fit a pre hung door including frame and slab jamb size.

Exterior door rough opening sizes.

For m e u add actual unit dimension to door rough opening width for total rough opening width. The rough opening for a 36 inch pre hung door is is 38 5 inches by 82 inches. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide. 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.

A good deadbolt lock extends at least one inch beyond the edge of the door. Use shims and or caulk to seal gaps between wall and frame. If you re going to frame a rough opening for a door then you ll need to know the unit size. The rough opening should be one inch wider than the frame and 3 4 of an inch higher than the door.

Of frame is 40 x 86 as the frame face is 2 around all 3 sides. These doors should be installed by a knowledgeable pro because the rough in opening in the wall will have to be enlarged. You should add 2 1 2 to the height of the actual door. Framing rough opening sizes are really quite simple.

For the 36 x 80 exterior doors this rough opening will need to be 38 inches by 82 1 8 inches. For example let s say we want to frame a 6 8 x 3 0 front entry door. 6 6 6 8 7 0 8 0 rough opening brickmould dim. All exterior doors should have a deadbolt lock to increase security.

Standard door rough openings. In other words the before any door is installed entrance area has to be larger than the size of the pre hung door. Outswing brickmould dim. Getting the rough opening size right the first time will save you from frustration when installing your doors.

Just add 2 to the width of the actual door size. Should be the dept of the frame not the width covering the sheeting or siding and wall stud. You can also order a custom size pre hung door. This will give you room to space the door frame off of the sub floor.