How to frame a garage door 1.
Reframing a garage door.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
If you are installing a 9.
To make the door header the top of the door frame cut two 2x4s to the same length as the width of the original opening and nail them securely together.
Cut the plates to length and mark the stud door and window locations on the top and bottom plates at the same time.
If the door is 7.
A jack stud helps support the header above a door or window.
These doubled 2 4 s should extend to the ceiling on both sides to allow for the mounting of the end bearings and brackets.
Doubled 2 4 s at minimum should be at each edge of the garage door to allow for the mounting of the tracks and jamb brackets.
Here s how to do it.
Let s get started with your framing 1.
Double trimmers should be used for garage door headers considering the length and the weight they bear.
How to frame a garage doors opening in this case 9ft wide by 8ft tall.
How to measure the finished width and height use of 2x4s for the sides and header.
To rough openings to allow for trimmers beneath the headers.
To fix this gap you ll need to raise the doorway s threshold.
You will need to add 1 2 of plywood between the 2x4 s to get the right wall thickness of 3 1 2.
This is the actual thickness of a 2x4.
Cut the door header.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
To finish the opening.
Be sure to add 3 in.
Cut the header from 2 x 12 lumber and to a.
If your garage door uses torsion springs then a 12 clearance between the ceiling and the top of the door opening is essential.
Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door.
It seems that you need to drop the header down 3 4 to get the rough frame to be flush with the top of the door.