Garage Door Header Requirements

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

Garage door header requirements.

Loading conditions are detailed below. On the other hand if there is only 4 in. If the door is 7. 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. To finish the opening. Also see assumptions for table development. 121 mm to 12 in.

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. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. How to build a garage door header.

How much headroom is required above a residential garage door. Let s get started with your framing 1. 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.

Rip 11 inch wide strips of inch plywood using a circular saw. Without more detailed information that s as much as i can say. If you are installing a 9. Cut three pieces of 1 inch by 11 inch lumber to the width measurement of the garage door rough opening plus 12 inches.

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 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. Window door garage door headers supporting roof loads only. It is possible to mount torsion springs in a garage with only 5 inches of headroom.

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.