The difference between a rough opening and.

French door rough opening size. Rogers windows and doors website notes that a typical french door. To get the total width, multiply the width of each door by 2 and. French double doors with an inswing are what most people think of when the term “french door” is used.

Interior french doors side by side usually have a width of 36 inches. For example, say you have a single french door that’s 30 inches wide and 80 inches tall. Standard interior french doors measure 80 inches high by 36 inches wide per door.

When determining the size of your rough opening for a set of double french doors, you need each door’s measurements. Add 2 ½” to door width. To compensate for the rough opening’s height, add two and a half inches to the.

Add 2 ½” to door height. In order to determine the rough opening dimensions, multiply the width (30. In addition, special sizes can sometimes be custom ordered.

For instance, if each door is 30 inches wide, the rough opening for the french door must be 62 inches wide. Take for example a 3/0 door; 5/0 fits 60 x 80 rough opening, 6/0 fits 72 x 80 rough opening.

This size will create an overall. Standard door heights are 6/6 (78”) and 6/8 (80”). A good rule of thumb when determining the rough opening for a bifold door is to take the door size and add 2 inches to both the height and width.