Garage Door Rough Opening Sizes

Make sure garage itself has sufficient head room for the door opening which often has to be minimum 6 7 inches.

Garage door rough opening sizes. Refer to the headroom requirements for the specific door you are using to see if your existing space can accommodate the new door without modification. Step 4 add 7 1 2 inches to the width of the door for side room 3 3 4 inches on each side. Now all you need to know is how to properly frame your door rough opening. Add 6 to 14 inches to the height of the door for headroom or the space directly above the closed door.

This post is intended for purposes of clarifying how garage door sizes work and opening preparation. If it s 9ft the opening must be 9ft 3 inches and so on. For instance if the width of the garage door is 8ft the rough opening should be 8ft 3 inches wide. Just add 2 to the width of the actual door size.

You should add 2 1 2 to the height of the actual door. Width of rough opening the width of the rough opening should be 3 inches greater than the width of the garage door you are purchasing. For instance if you have a 16 door and are using river stones that are approximately 2 to 2 1 2 you will want the rough opening to be roughly pun intended 16 6. Take the measurements of both the width and the height of the inside of the opening.

Next you will need to know your door height. Most vertical track systems with torsion springs or other hardware require 3 3 4 in. The size of the door will be approximately the same as this sometimes called the rough opening next measure the sideroom or space available on the left and right sides of the opening. Standard garage doors in our area are 8 9 16 and 18 wide.

99 of the residential garage doors that we run across are different than these widths. This will give you room to space the door frame off of the sub floor. For instance if your rough opening is 16 feet wide and 7 feet high then your best bet for a garage door is a 16x7 door. 1 2 or 1 in one direction of the other will won t typically cause you to have to shop for a non standard garage door size.

The rough opening is essentially the size of the finished garage door.