It s essential to get this measurement right else your newly purchased garage door won t fit the opening or might actually be smaller than the opening.
Garage door rough frame.
Most garage door openings are just rough openings when the home is built.
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.
The rough opening of a garage door should be 3 inches wider than the door itself.
For residential homes 99 of doors are either exactly 7 or 8 tall.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the 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.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
When pricing your door you will need to price a garage door exactly the size of the opening so when calling around for price points be sure that you have this information in hand.
How to measure the finished width and height use of 2x4s for the sides and header.
Needed framing for new garage door opening 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.
The technique of building a garage door frame is straightforward and a finished frame can be completed in an hour.
After this you just need to bring in the opening size to the exact size of the garage.
The garage door rough opening.
The jambs need to be 17 inches.
Next your rough opening height should be 1 5 inches taller than the door.
The opening must be finished framed before a garage door can be installed.
If you are installing a 9 wide door the opening will be 9 3 wide.
How to frame a garage doors opening in this case 9ft wide by 8ft tall.
Standard garage doors start at 7 tall and increase in increments of one foot.
A rough opening refers to the space left inside a door or window frame door in this case where the actual door will be fitted.
The doors extend beyond the finished trim you see from the front a fact that must be taken into consideration when framing and preparing the area for installation.
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 to 3 inches wider than the garage door size you have selected.
So if you have a bedroom door that is 30 wide which is considered a 2 6 or 2 6 door just add 2 to the width and frame it 32 wide.