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.
Post frame garage door header.
The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.
If you don t read this post on how to measure a garage door.
Enjoy link to the barn build series.
With question number two.
Install the header jambs and center pad of the frame using a 2 x 6 lumber for the header jambs and center pad.
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.
Also screw through the doorjambs and into the post.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
Get a door with the same size as the one you are replacing.
Pine is an excellent choice for a garage.
This piece of.
In this segment i go through and install the headers and girders.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
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.
Stand the 4x6 on top of the metal post anchor and tap the upper end of the post beneath the header.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Cut the new garage door post from a pressure treated 4x6.
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.
This would allow for a three foot space between each door and make for a much better target with a wide trailer.
Fasten the top of the post to the header with 3 inch screws.