20 Ft Garage Door Header

Wide window and door openings and in most situations be code compliant for openings up to 6 ft.

20 ft garage door header.

Bearing according to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. 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. 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. When in doubt use 2 by 12 inch headers.

Most door frames that are 4 feet wide or less require a 2 by 6 header. Window door garage door headers supporting roof loads only. 20 header over garage door. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18.

Measure the width of your door frame. It worked for most of the applications in our case house. This product is new and distributors don t want to stockpile inventory. Table number grade live or ground snow load psf dead load psf load duration factor c d.

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. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit.

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. Im not getting an engineer involved b c this is a budget build for my wifes aunt. In all but the most bizarre situations they ll easily carry the weight for 4 ft.