12 Foot Garage Door Header Size

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.

12 foot garage door header size.

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. Many homeowners have two cars and need garage space to shelter them both. Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. Window door garage door headers supporting roof wall floor loads.

If there isn t enough room above the opening this can t be done without raising the roof of the garage. The exterior wall and the headers within will carry all loads from the mid point of the house between the supporting walls to the outside of the house including the roof overhang. Most door frames that are 4 feet wide or less require a 2 by 6 header. 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.

When in doubt use 2 by 12 inch headers. Measure the width of your door frame. 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. Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.

The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness. Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage. Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header. Window door garage door headers supporting roof loads only.

So each lineal foot of wall must carry the loads imposed by a 1 foot wide strip in that 14 ft region. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high. 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. 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.