Standard 16 Foot Garage Door Headder 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.

Standard 16 foot garage door headder size.

Correct does not state that header 6 to 18 can be dimensional lumber. Window door garage door headers supporting roof loads only. 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.

If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers. If you are having your trusses run at right angles to the doors usually the side of the garage you may bery likely need 3 lam beams on the 16 door and they may require you have 2 x 6 s for your jack studs. If there isn t enough room above the opening this can t be done without raising the roof of the garage. The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.

Width of garage door opening standard widths are 8 9 10 12 14 16 17 and 18 height of the garage door opening standard residential heights are 7 7 6 8 header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening. That would take care of the wind and seismic shear loads. 16 garage door headers mtlogcabin a minimum 3 x 11 25 net header size is required for opening from 6ft to a maximum 18 ft. So for a 16 wide door your beam will have to be 16 6 long.

Header spans are typical for a window and a patio door. That for a 16 foot wide garage door the header should be at minimum 9 inches longer than the door width meaning your header should be 16 feet 9 inches long. If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers. 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.

Now here is a twist. Table 1 consolidates loading sizes and cost data for all of the applications. The structural ridge span represents the size of a large family room. The span for the girder is based on the size of an average sized game room.

If you are creating an opening no wider than 4 feet for a door or smaller window then you need a 2 by 6 header. It also depends on which way your trusses run. The extra length for the header is to provide enough load bearing strength to cover the 16 foot opening span.