The clever way i used to build headers.
Size of header needed for 12 garage door.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
And the garage door header is based on a 2 car garage door opening.
Table 1 consolidates loading sizes and cost data for all of the applications.
Window door garage door headers supporting roof wall floor loads.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
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.
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.
The span for the girder is based on the size of an average sized game room.
If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.
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.
For an opening 6 to 7 feet wide you will need two 2 by 12 headers.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
Measure the width of your door frame.
Window door garage door headers supporting roof loads only.
The structural ridge span represents the size of a large family room.
Many homeowners have two cars and need garage space to shelter them both.
The right header size.
Header spans are typical for a window and a patio door.
Most door frames that are 4 feet wide or less require a 2 by 6 header.
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.