18 Ft Garage Door Header

Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.

18 ft garage door header.

The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. When in doubt use 2 by 12 inch headers. 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.

Wide window and door openings and in most situations be code compliant for openings up to 6 ft. Calculating header size is no picnic as you learn how to frame a window. Measure the width of your door frame. The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam.

Loading conditions are detailed below. Usually 18 ft door used to accommodate two vehicles in the garage. 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. Also see assumptions for table development.

Wide a common patio door width. There are a few sizes of doors that are considered standard. 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. For each application a pdf download is available.

Many homeowners have two cars and need garage space to shelter them both. 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. Window door garage door headers supporting roof wall floor loads. For single car garages include 8 x 7 ft 8 8 ft 8 9 ft 9 8 ft 10 7 ft and 10 8 ft.

The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. In all but the most bizarre situations they ll easily carry the weight for 4 ft. Most door frames that are 4 feet wide or less require a 2 by 6 header.