8 Garage Door Header Size

Window door garage door headers supporting roof loads only.

8 garage door header size.

Use 2x4 with a double jack under each end of the header. 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. And that s with a 7 12 hip roof avg. Many homeowners have two cars and need garage space to shelter them both.

Many 16 x 7 garage doors will be designed with a pair of single 8 foot garage door bays separated by a central post or column. I ve even seen 2 1 3 4 x12 lvl headers in a 2x4 garage door wall sag while we were framing the house. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. When in doubt use 2 by 12 inch headers.

This piece of. Window door garage door headers supporting roof wall floor loads. If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header. Normal for swing doors is 2 1 2 over nominal width and height.

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. Jack it if the header is eight feet or over i will triple jack it probably doesnt need that much but thats the way that i like to do it. The span above the door opening is framed with a long header that supports the wall area above the door and this header will need to be raised or rebuilt in order to increase the overall door size. Microlams for garage door headers nailed every 12 in.

11 run 20 year shingles and no snow load whatsoever. When i frame for any header at six feet up to eight feet i will dbl. If there isn t enough room above the opening this can t be done without raising the roof of the garage. With a row of four 12d nails.

The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam. Frame the garage door at the nominal size of 9x7. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner. Measure the width of your door frame.

Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. Garage door header lately we have been using 14 in. The beam they have specified now is 3 1 2 x 12 x 18 9. If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.

The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. Most door frames that are 4 feet wide or less require a 2 by 6 header. 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. I have seen too many garage door openings sagging after 10 15 years.