Standard Garage Door Sizes Rough Opening

Step 1 measure the old door if you are replacing an existing door with one of the same size or the new door of choice if you are building a new garage.

Standard garage door sizes rough opening.

The rough opening is equal to the size of the door but you need to figure back head and side room before choosing and installing the new garage door. Standard sizes standard garage doors in our area are 8 9 16 and 18 wide. Top garage door manufacturers include. 99 of the residential garage doors that we run across are different than these widths.

On either side of the door leave a minimum 150 mm to fit the garage door hardware as door is always wider than opening. Standard width and height will be determined by the type of specific garage door. Standard systems require 10 inches of headroom while some require 12 inches while garage door openers often require an additional three inches of clearance. You might be surprised at the range of standard sizes that exist today for garage doors.

Typically one big door for two car garage will cost less comparing to installing separate smaller doors for. Smaller sizes can be found. If you are installing a 9 wide door the opening will be 9 3 wide. This post is intended for purposes of clarifying how garage door sizes work and opening preparation.

Click here for more info on standard garage door sizes. A garage will need backroom that equals the door height plus 18 inches and possibly more. The height of the rough opening would be the height of the garage door plus the thickness of whatever you are putting underneath the header in addition to the thickness of the mortar etc. Leading garage door manufacturers typically sell doors in widths ranging from 8 feet to 20 feet.

It should be obvious that you don t use twice the thickness for the height since you will not be putting anything on the floor but you have been reminded just in case this thought escaped you at the moment. Big trucks bobtails and rvs are not the type of vehicles that can easily fit in a garage door of this length. Frame the rough opening to 3 inches wider than the garage door size you have selected. If you have a lot of other stuff inside of your garage and it is bigger then you may need a bigger door.

Clopay wayne dalton and amarr. The rough opening is essentially the size of the finished garage door. Ensure there is a minimum of 2100mm unobstructed space to allow garage door to open correctly people often angle the roof of garage make sure at lowest point there is a minimum of 350 mm lintel headroom clearance. 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.

While building a new garage it is better to check available sizes make a selection and create a rough opening according to manufacturer specifications. Measure the backroom the distance from the garage door opening to the back wall of the garage.