20 Ft Garage Door Header

Most door frames that are 4 feet wide or less require a 2 by 6 header.

20 ft garage door header.

Im not getting an engineer involved b c this is a budget build for my wifes aunt. Wide a common patio door width. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit.

Wide window and door openings and in most situations be code compliant for openings up to 6 ft. Table number grade live or ground snow load psf dead load psf load duration factor c d. 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. These small areas are usually door opening on the interior and people are trained that these areas are the strongest place in a house to be in the case of an emergency.

Calculating header size is no picnic as you learn how to frame a window. It worked for most of the applications in our case house. 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 procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.

Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to. Window door garage door headers supporting roof loads only. Bearing according to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. In all but the most bizarre situations they ll easily carry the weight for 4 ft.

Measure the width of your door frame. When in doubt use 2 by 12 inch headers. The plan was 2 9 doors but she changed her mind in favor of a 20.