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.
How to frame in a garage door header.
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.
Attach lumber to the face of the garage wall to the edge of the garage door header.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough.
Rough opening of garage door.
For those who are not familiar with what this is.
Let s talk about the garage door rough opening first.
Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
Building a structural header for a garage door opening can be handled on the jobsite and will offer the same structural support as more expensive solid wood beams.
Wide window and door openings and in most situations be code compliant for openings up to 6 ft.
When in doubt build a double 2 12 header sandwich like we explain next.
Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
How to frame a garage door 1.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.