Garage Door Header Requirements

In order to install torsion spring hardware we recommend a clearance of 12 in.

Garage door header requirements.

How to build a garage door header. 304 mm available it is best to use a dual track system designed for low headroom. 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.

On the other hand if there is only 4 in. Loading conditions are detailed below. Window door garage door headers supporting roof loads only. How much headroom is required above a residential garage door.

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. 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. 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.

Frame the rough opening to 3 inches wider than the garage door size you have selected. 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. Window door garage door headers supporting roof wall floor loads. Let s get started with your framing 1.

Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches. However this requires mounting the torsion spring on the rear of the horizontal tracks. Rip 11 inch wide strips of inch plywood using a circular saw. If you are installing a 9.

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. It is possible to mount torsion springs in a garage with only 5 inches of headroom. If the door is 7. To finish the opening.

121 mm to 12 in.