Steel Beam Garage Door Header

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

Steel beam garage door header. And the garage door header is based on a 2 car garage door opening. What size and guage of steel i beam do i need for a garage header. The only added weight on the header will be 4 by 8 joists 3 4 plyw read more. On previous projects i have been supplied a glu lam boise makes specifically for garage door headers that was 3 1 2 x 11 1 4 x 18 9.

The header for a door is much like a bridge transferring the weight above it to the floor and foundation below. The structural ridge span represents the size of a large family room. Doors in a load bearing wall that holds the weight of the house created by beams and trusses need a larger header than those in non load bearing walls. The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.

Opening is 18 ft wide and beam will rest on 2 18 by 18 posts. 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. Our fully recessed bolt pattern our better header flitch nut and fully recessed bolt pattern makes hanging floor joist and ceiling rafters a breeze leaving behind any need for additional furring and or trimming in the field. Give better header a call with information regarding what the beam will be holding and we may be able to further assist you.

The span for the girder is based on the size of an average sized game room. The beam they have specified now is 3 1 2 x 12 x 18 9. Header spans are typical for a window and a patio door.