Garage Door Header Beam

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.

Garage door header beam.

Portal frame details within the irc specify simple span headers with a maximum finished opening width of 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. Window door garage door headers supporting roof wall floor loads. How to calculate header beam size january 18 2020 by arfan leave a comment how to remove a wall load bearing or not and install header beamchek 2016 structural ering column how to replace a load bearing wall with support beam garage door header sizes orange01 co structural support beam design basic belmar nj.

Nail each ply of a beam with a minimum of 10d nails. Anything 5 and above we always at least double cripple. Use two nails on each end and at splices. Window door garage door headers supporting roof loads only.

The beam they have specified now is 3 1 2 x 12 x 18 9. Stagger the rest of the nails 32 o c. The bottom of any beam may be notched only on its end. The notch can not exceed 25 of the width of the board.

According to the 2012 irc codes any beam joist or header shall never have a bearing of less than 1 1 2. On previous projects i have been supplied a glu lam boise makes specifically for garage door headers that was 3 1 2 x 11 1 4 x 18 9. 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. The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.

The person doing the takeoff had interpreted my request for an 18 9 garage door header to the least expensive 20 long beam. Tables providing size selections for various beam spans and loading combinations for southern pine dimension lumber and southern pine glued laminated timber are available for the following applications.