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.
18 ft garage door header.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
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.
Measure the width of your door frame.
Wide window and door openings and in most situations be code compliant for openings up to 6 ft.
When in doubt use 2 by 12 inch headers.
In all but the most bizarre situations they ll easily carry the weight for 4 ft.
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 loads only.
18 ft garage door is the size that is suitable for you who have a oversized garage.
Loading conditions are detailed below.
The beam they have specified now is 3 1 2 x 12 x 18 9.
Wide a common patio door width.
There are a few sizes of doors that are considered standard.
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.
Most door frames that are 4 feet wide or less require a 2 by 6 header.
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.
Calculating header size is no picnic as you learn how to frame a window.
For each application a pdf download is available.
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 standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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 procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
Also see assumptions for table development.
