Garage Door Header Framing

Layout the bottom plate and one of the top plates at 16 on center.

Garage door header framing.

Code requires a double top plate for load bearing walls. Use 2 inch lumber for the jambs as well and ensure they are appropriately nailed to the door opening with the help of a nail gun or hammer. Interior and exterior doors are framed basically the same way but interior doors are. Frame the rough opening to a height that is 1 5 taller than the door that you have selected.

The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. All doors are set into a frame an opening inside the wall. The first thing to know when framing and building walls is that you will need a bottom plate and two top plates to attach the wall studs to. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

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. If the door is 7 tall frame the opening 7 1 5. Normally deflection isn t too noticeable but with a garage door header you have the reference of the door. The width of the lumber should be between 6 and 8.

Framing for a non load bearing door header. Ideally 2 x6 is the most used header size. Framing nails are highly recommended. 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.

The double top plate is needed to comply with building code. If you go with a raised panel door it is even more noticeable if there s any sag.