Frame the rough opening to 3 inches wider than the garage door size you have selected.
Post frame garage door header.
Poles are sometimes slabbed to aid in fastening framing members.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
If you are installing a 9 wide door the opening will be 9 3 wide.
Post located in a sidewall.
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.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
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.
Thick headers 1 1 2 in.
Post that is part of both a sidewall and an endwall.
I suggest you go through the entire article at least once before you start.
Plus 1 2 in were the same thickness as the 2 4 wall framing 3 1 2 in.
Post located in an endwall.
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.
A round naturally tapered unsawn wood post.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
I ll explain the process more extensively as we proceed.
If the door is 7 tall frame the opening 7 1 5.
Local and national building codes have specific structural requirements pertaining to beam sizes to span specific wall openings relative to the wall loads so consult your local building department before beginning this.
Post that frames the side of a door.
The finished 3 1 2 in.