Leave a headroom of 14 or 12 minimum.
9 x 8 garage door rough opening.
9 8 garage door rough opening 9 8 garage door is an important part of any property be it residential or commercial.
Make the rough opening 3 wider than the garage door.
99 of the residential garage doors that we run across are different than these widths.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Standard garage doors in our area are 8 9 16 and 18 wide.
Leading garage door manufacturers typically sell doors in widths ranging from 8 feet to 20 feet.
For example in areas where golf cart transportation is popular garage doors are usually available to suit these small vehicles.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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 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.
Also make the rough opening 1 5 taller than the garage door.
Many homeowners have two cars and need garage space to shelter them both.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
Smaller sizes can be found.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
In large suburban or rural properties such garage doors may serve large riding lawnmowers.
They provide security not only for vehicles but valuables other important too.
If you are installing a 9 wide door the opening will be 9 3 wide.
Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
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.
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.