Steel Beam Garage Door Header

The only added weight on the header will be 4 by 8 joists 3 4 plyw read more.

Steel beam garage door header. Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. This piece of. 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.

Header spans are typical for a window and a patio door. Measure the width of your door frame. And the garage door header is based on a 2 car garage door opening. The structural ridge span represents the size of a large family room.

Between 4 and 5 feet the header should be built 2 inches wide and 8 inches long while a larger opening needs a header that is 2 by 12. When in doubt use 2 by 12 inch headers. Most door frames that are 4 feet wide or less require a 2 by 6 header. Table 1 consolidates loading sizes and cost data for all of the applications.

Opening is 18 ft wide and beam will rest on 2 18 by 18 posts. The span for the girder is based on the size of an average sized game room. Attach lumber to the face of the garage wall to the edge of the garage door header. What size and guage of steel i beam do i need for a garage header.

In an attempt to construct portal frames some garages are built with one continuous garage header extending over two or three garage door openings as shown in figure a. The beam they have specified now is 3 1 2 x 12 x 18 9. The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.