20 Ft Garage Door Header

The plan was 2 9 doors but she changed her mind in favor of a 20.
20 ft garage door header. Window door garage door headers supporting roof loads only. 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. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18. Most door frames that are 4 feet wide or less require a 2 by 6 header.
Calculating header size is no picnic as you learn how to frame a window. Bearing according to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. Im not getting an engineer involved b c this is a budget build for my wifes aunt. Wide a common patio door width.
When in doubt use 2 by 12 inch headers. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit. 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. This product is new and distributors don t want to stockpile inventory.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. It worked for most of the applications in our case house. In all but the most bizarre situations they ll easily carry the weight for 4 ft. Table number grade live or ground snow load psf dead load psf load duration factor c d.
Wide window and door openings and in most situations be code compliant for openings up to 6 ft. Measure the width of your door frame. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.