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 the sides of the door.
How to frame a header for a garage door.
Wide window and door openings and in most situations be code compliant for openings up to 6 ft.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
I ll explain the process more extensively as we proceed.
Wide a common patio door width.
Attach lumber to the face of the garage wall to the edge of the garage door header 7.
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.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
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.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
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.
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.
When in doubt build a double 2 12 header sandwich like we explain next.
In all but the most bizarre situations they ll easily carry the weight for 4 ft.
How to measure the finished width and height use of 2x4s for the sides and header.