If you are installing a 9.
Garage door header requirements.
If the door is 7.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
On the other hand if there is only 4 in.
Garage doors operating with torsion springs require a minimum of 9 1 2 inches of headroom while doors using extension springs require a minimum of 4 1 2 inches of headroom.
Window door garage door headers supporting roof wall floor loads.
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.
For door openings up to 36 nominal and for structures with no more than two floors above it s a safe bet that doubled 2x10s are adequate as a load bearing header.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
Window door garage door headers supporting roof loads only.
To finish the opening.
Let s get started with your framing 1.
Without more detailed information that s as much as i can say.
An attached garage must be separated from the residence and its attic area by not less than 1 2 inch gypsum board applied on the garage side.
For each application a pdf download is available.
Also see assumptions for table development.
Rip 11 inch wide strips of inch plywood using a circular saw.
How to build a garage door header.
Lay a single piece of the 1 inch by 11 inch lumber.
Loading conditions are detailed below.
It is possible to mount torsion springs in a garage with only 5 inches of headroom.
304 mm available it is best to use a dual track system designed for low headroom.
Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches.
Garages with habitable rooms above the garage must be separated by not less than 5 8 inch type x gypsum board applied on the garage side.
However this requires mounting the torsion spring on the rear of the horizontal tracks.