18 Garage Door Header Framing

The beam they have specified now is 3 1 2 x 12 x 18 9.

18 garage door header framing.

Door garage door headers supporting roof loads only. All of the rough framing has just been completed. The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be. Several garage door people have told me they want 18.

Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18. 30 40 50 70 20 20. If this is going to be a problem i guess we could lower the height of the opening for the door 6 and use a 7 6 high garage door. 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.

Building a structural header for a garage door opening can be handled on the jobsite and will offer the same structural support as more expensive solid wood beams. 1 15 1 15 1 15 1 15 1 25 1 25. 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 person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.

Window door garage door headers supporting roof wall floor loads. 10 10 10 10 10 20. When in doubt use 2 by 12 inch headers. Together the headers king studs and trimmers act as a system that transfers weight from above down and around the window and door openings to the floor and foundation below.

Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. All all all all all all. Wood bridges and highway noise barriers. Measure the width of your door frame.