Standard Entry Door Rough Opening

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

Standard entry door rough opening.

The doors are also a standard 80 inches tall. Verify the rough opening is square. The standard width of a steel entry door s rough opening is 3 4 40 for a single door and 6 4 76 for a double door. Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall.

Bottom of the header top of rough opening. Infills range from under 1 4 6 4 to more than 1. The additional room allows for a 3 4 inch top jamb a shim. Architect s classic one inch round bent bar push pull hardware is available in various finishes and sizes.

Rough opening measurements from stud to stud and from floor to header. Entry doors are usually 36 inches wide. See this illustration and table for reference. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide.

When measuring your door first familiarize yourself with some basic door terminology. The diagonal measurements should be the same. Measure the height of your finished rough opening from the floor to the bottom of the header. Inswing rough opening unit dimension f f l r l r viewed from the exterior hand designations f l r fixed panel left.

Maximum allowable deviation from square is normally 1 4. While a door width of 36 inches is oversized for an interior door it s the standard size for front doors the standard height remains the same however. The height of common doors is 6 feet 8 inches. For m e u add actual unit dimension to door rough opening width for total rough opening width.

When a pre hung door is being installed into an opening there have to be considerations for leveling the door and ensuring that it has an. Rough openings are calculated using 14 wide sidelites. Most entry doors are the same industry wise standard size while different sizes can be special ordered. Make sure to add an additional of an inch on each side for room for the frame to shimmy.

If you re going to frame a rough opening for a door then you ll need to know the unit size. Door frame face widths range to a maximum of 4 101 6 while depths range to 6 152 4 door operation is single or doubleacting with maximum security locks or touch bar panics standard. Standard door rough openings. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.

6 6 6 8 7 0 8 0 rough opening brickmould dim. Deduct 2 from the rough opening width for each 12 sidelite height required is 82 for all doors which open in and 81 1 8. Reasons for door opening sizing. For example let s say we want to frame a 6 8 x 3 0 front entry door.

More rough opening tips. Verify the width and height of the door frame are each 1 2 smaller than the rough opening width height.