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.
Header size for 9 garage door.
Window door garage door headers supporting roof wall floor loads.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
Window door garage door headers supporting roof loads only.
Most door frames that are 4 feet wide or less require a 2 by 6 header.
The clever way i used to build headers.
My first job as a carpenter s helper was to construct headers for the tract houses we were building.
Frame the rough opening to 3 inches wider than the garage door size you have selected.
Measure the width of your door frame.
Frame the rough opening to a height that is 1 5 taller than the door that you have selected.
The span for the girder is based on the size of an average sized game room.
When in doubt use 2 by 12 inch headers.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.
What size header over the door is required if i wish t read more.
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.
If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.
Header spans are typical for a window and a patio door.
Many homeowners have two cars and need garage space to shelter them both.
If the door is 7 tall frame the opening 7 1 5.
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.
Table 1 consolidates loading sizes and cost data for all of the applications.
The right header size.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
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.
I intend to have an 8 h x 16 w garage door.
Header size required to support the roof ceiling and one center bearing floor of a 28 ft.
If you are installing a 9 wide door the opening will be 9 3 wide.
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.