With question number two.
Post frame garage door header.
Attach lumber to the face of the garage wall to the edge of the garage door header.
Get a door with the same size as the one you are replacing.
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.
Most conventional garage doors are 7ft.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
Together the headers king studs and trimmers act as a system that transfers weight from above down and around the window and door openings to the floor and foundation below.
You would actually end up with 20 inches of light panel above the door of which most of it will be blocked off by the top overhead door jamb the overhead door header and the eave girt.
The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.
This piece of.
Pine is an excellent choice for a garage.
If you don t read this post on how to measure a garage door.
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.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.