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