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