Garage Door Header Requirements

Let s get started with your framing 1.

Garage door header requirements.

Window door garage door headers supporting roof loads only. Loading conditions are detailed below. Window door garage door headers supporting roof wall floor loads. 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 the door is 7. In order to install torsion spring hardware we recommend a clearance of 12 in. Rip 11 inch wide strips of inch plywood using a circular saw. How much headroom is required above a residential garage door.

Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches. Also see assumptions for table development. Frame the rough opening to a height that is 1 5 taller than the door that you have selected. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

It is possible to mount torsion springs in a garage with only 5 inches of headroom. If you are installing a 9. How to build a garage door header. 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.

Frame the rough opening to 3 inches wider than the garage door size you have selected. For each application a pdf download is available. 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. 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. 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. 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.

To finish the opening.