18 Garage Door Header Framing

Wood bridges and highway noise barriers.

18 garage door header framing.

Several garage door people have told me they want 18. 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. 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 all all all all all. All of the rough framing has just been completed. Door garage door headers supporting roof loads only. Window door garage door headers supporting roof wall floor loads.

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. When in doubt use 2 by 12 inch headers. Measure the width of your door frame. Most door frames that are 4 feet wide or less require a 2 by 6 header.

The beam they have specified now is 3 1 2 x 12 x 18 9. 1 15 1 15 1 15 1 15 1 25 1 25. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. 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.

10 10 10 10 10 20. 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. Portal frame details within the irc specify simple span headers with a maximum finished opening width of 18. The longer the distance a header spans and the heavier the load it supports the more substantial it needs to be.