Garage Door Header Beam Size

Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.

Garage door header beam size.

Beam details 24 window and door. 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. Window door garage door headers supporting roof wall floor loads. Timberstrand header comes only in 3 widths in depths that range from 4 3 8 to 18.

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. Most door frames that are 4 feet wide or less require a 2 by 6 header. 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. Bearing according to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2.

When in doubt use 2 by 12 inch headers. Measure the width of your door frame. Window door garage door headers supporting roof loads only. Header details 24 25 nailing on narrow face 25 allowable holes 26 bearing length requirements 26 tapered end cuts 27 multiple member.

For deeper depth parallam psl beams see the trus joist 2 2e parallam. This product is new and distributors don t want to stockpile inventory. Some sizes may not be available in your region. Garage door header size calculator posted on october 29 2019 by bandi ruma wood beam design and installation no headers in nonbearing walls code notes window headers and door garage door header size headroom door frame and calculation.

It is worth noting that the 18 foot garage door header application pushed timberstrand beyond its structural limit.