When in doubt use 2 by 12 inch headers.
Non load bearing garage door header.
For instance in the basement remodel all the doors have simple 2 4 framing around them.
A header is to hold something up.
Framing for a non load bearing door header measure the door.
This will usually give you the extra studs needs for corners and door openings.
Section r502 5shares allowable girder and header spans.
On previous projects i have been supplied a glu lam boise makes specifically for garage door headers that was 3 1 2 x 11 1 4 x 18 9.
When framing in 16 centers a good rule of thumb when figuring material is one wall stud per foot of bottom plate.
Measure the width of your door frame.
Pro tip you can access a free copy of the 2012 international building code here.
I d use a double 2x6 laid flat at the head of the opening.
The load that you need to resist is the horizontal force on the wall above the new door.
If your walls are non load bearing a single top plate is all that is required.
If they are load bearing a double top plate is required.
A header needs a full or king wall stud on each side of the opening extending from the bottom wall plate to.
Non load bearing windows and doors do not require a structural header.
The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.
Framing an interior door header starts with the width of the door typically 32 inches although this.
This is non bearing so you could use studs to create the space down from the roof or ceiling for the roll up door to roll up into.