18 Garage Door Header Framing

Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18.

18 garage door header framing.

The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. 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. The beam they have specified now is 3 1 2 x 12 x 18 9. 10 10 10 10 10 20.

Door garage door headers supporting roof loads only. The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be. 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. The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.

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. All all all all all all. Several garage door people have told me they want 18. 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.

When in doubt use 2 by 12 inch headers. 1 15 1 15 1 15 1 15 1 25 1 25. Wood bridges and highway noise barriers. Measure the width of your door frame.

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. All of the rough framing has just been completed. 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. 30 40 50 70 20 20.