Size Garage Door Header

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

Size garage door header.

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. If there isn t enough room above the opening this can t be done without raising the roof of the garage. Many homeowners have two cars and need garage space to shelter them both. 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 standard size for double garage doors is 16 feet wide and 7 to 8 feet high. When in doubt use 2 by 12 inch headers. 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. 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.

Window door garage door headers supporting roof wall floor loads. Measure the width of your door frame. The span above the door opening is framed with a long header that supports the wall area above the door and this header will need to be raised or rebuilt in order to increase the overall door size. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.