If you have a double door entryway, the standard size will be 72” x 80”, or double the width of a single front door with the same height.
How much space do you need for a double door?
To get the total width, multiply the width of each door by 2 and add 2 inches. So if each door measures 30 inches wide, the width of the rough opening should be 62 inches. For the height of the rough opening, you need to add 2 ½ inches to the height of the door.
How wide are double exterior French doors?
The sizes that your French doors come in will be set by the manufacturer, but french door dimensions are generally between 30 and 72 inches wide per door. And generally, are available in 2-inch increments.
What is a standard door thickness?
The standard door thickness for interior doors is 1 ⅜ inches, though if your interior door is taller than 80 inches or wider than 36 inches, the recommended thickness by building codes increases to 1 ¾ inches. Closet doors are narrower and aren’t required to meet the standard interior door building codes.