Frame the rough opening to 3 inches wider than the garage door size you have selected.
Garage door header requirements.
To finish the opening.
Rip 11 inch wide strips of inch plywood using a circular saw.
Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches.
121 mm to 12 in.
On the other hand if there is only 4 in.
Window door garage door headers supporting roof wall floor loads.
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.
How much headroom is required above a residential garage door.
For each application a pdf download is available.
It is possible to mount torsion springs in a garage with only 5 inches of headroom.
However this requires mounting the torsion spring on the rear of the horizontal tracks.
304 mm available it is best to use a dual track system designed for low headroom.
Let s get started with your framing 1.
If the door is 7.
Without more detailed information that s as much as i can say.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
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.
Also see assumptions for table development.
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.
Lay a single piece of the 1 inch by 11 inch lumber.
Loading conditions are detailed below.
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.
In order to install torsion spring hardware we recommend a clearance of 12 in.
If you are installing a 9.