Interior French Door Rough Opening Sizes

To correctly determine the size of a rough opening for double or french doors measure the size of each door.

Interior french door rough opening sizes.

For exterior walls a bottom horizontal threshold is added. So if each door measures 30 inches wide the width of the rough opening should be 62 inches. Set your store to see local. You should add 2 1 2 to the height of the actual door.

Refer to the charts below to determine what size of door you will need. Make sure your door opening reinforces the wall above and on both sides of the door. Jack and king studs. Just add 2 to the width of the actual door size.

For example let s say we want to frame a 6 8 x 3 0 front entry door. If you re going to frame a rough opening for a door then you ll need to know the unit size. The difference between a rough opening and finished opening is usually 2 3 inches. Birkdale primed bi parting solid core molded composite prehung interior french door on 4 9 16 in.

1 4 6 to the minimum rough opening height dimension. Presuming the door is a 36 inch wide door the dimensions of your opening should be 37 inch wide by 81 inch tall. For reference standard interior door widths range from 24 36 finished opening. While a standard door height is 80 finished opening.

After framing the rough opening the door jamb attaches inside the opening to support the doors hinged to it. Mmi door 36 in. This will give you room to space the door frame off of the sub floor. Therefore the rough opening would be 82 1 2 tall by 38 1 2 wide.

Add 2 to 2 1 2 inch to the measurement of the door s width to determine the total width of the rough opening. Interior doors interior panel bifold doors interior barn doors interior french doors glass panel options redi prime doors mdf interior doors bravo stile and rail mdf doors infinity mdf doors ovation mdf doors encore ldf doors fire rated doors monster doors. Minimum rough opening dimensions may need to be increased to allow for use of building wraps flashing sill panning brackets fasteners or other items. Door dimension always refers to outside frame to frame dimension.

Now all you need to know is how to properly frame your door rough opening. Dimensions in parentheses are in millimeters. If you have questions give us a call at 888 458 5911. To get the total width multiply the width of each door by 2 and add 2 inches.

Typically a pre hung door is measured in 30 inch and 36 inch sizes with additional sizes available in non standard widths. Jamb model z0365219ba 559 00 559 00. This takes into account the thickness of a standard 3 4 inch doorjamb on each side. The 6 8 stands for 6 8 tall and the 3 0 stands for 3 0 wide.