Measure the head room the distance between the top.
Rough dimensions for garage door.
Leading garage door manufacturers typically sell doors in widths ranging from 8 feet to 20 feet.
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.
Add 6 to 14 inches to the height of the door for headroom or the space directly above the closed door.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
2 4 door 2 6 r o.
Smaller sizes can be found.
For example in areas where golf cart transportation is popular garage doors are usually available to suit these small vehicles.
Standard garage doors start at 7 tall and increase in increments of one foot.
The size of the door will.
9 and 10 feet high garage doors are less common.
Begin by using a tape measure to determine the width and height of the door opening in inches.
Step 4 add 7 1 2 inches to the width of the door for side room 3 3 4 inches on each side.
First column in the above chart is in imperial system width x height in feet and second column is in metric measurements garage door width x height in centimeters.
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.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
You might be surprised at the range of standard sizes that exist today for garage doors.
Next you will need to know your door height.
Make the rough opening 3 wider than the garage door also make the rough opening 1 5 taller than the garage door leave a headroom of 14 or 12 minimum install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad leave at least 5 of space on.
Rough opening chart in feet.
Most vertical track systems.
2 0 door 2 2 r o.
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.
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.
Some manufacturers offer width from 7 up to 18 with 1 increment.
The height is 80 which is considered 6 8 or 6 8 add 2 1 2 to the actual door height and frame it 82 1 2 high.
For residential homes 99 of doors are either exactly 7 or 8 tall.
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.