If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.
Header size for first floor bearing wall 9 ft door.
Now you either use 2 1 3 4 x 11 7 8 lvl s or glulams.
On load bearing wall millions and millions of houses have 16 foot garage door openings all over the country and where built with two 2x12.
In many cases the exterior wall sheathing alone can span an opening for a single sided box header.
Beam must span 10 5 door opening and 5 to store door.
Window door garage door headers supporting roof wall floor loads.
For header spans see tables r502 5 1 and r502 5 2.
I just installed a garage door header up north and there they would not allow me to use 2x12 s as what was once allowed.
So if you re on the top floor you can use 2 2x4 s unless the building is 36 wide in which case you ll need 2 2x6 s.
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.
16 opening door header.
Pocket doors are on first floor and part of load bearing wa read more.
A single ply 9 inch tall box header is good for up to a 4 foot span and a 15 inch tall box header works for spans up to 5 feet.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
Section r602 wood wall framing.
That said a 15 foot opening is off the charts of the irc and will need an engineer sealed plan to pass inspection.
Some with plywood others with a 2x4 under them.
Restoring an 1880 multi story victorian home.
For load bearing walls you will need to use a 4 by board for the header or two 2 by boards on either side of a piece of 1 2 inch plywood.
Header size required to support the roof ceiling and one center bearing floor of a 28 ft.
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.
Take the example of a first floor 3 foot 2 inch header in a two story 26 foot wide house with a center bearing wall.
All play a role in picking the header size off the table.
For instance a 4 by 4 board would span a maximum 4 foot wide opening.
Factors such as number of stories interior bearing or exterior bearing wall design snow load width dimensions of building etc.
The maximum span for a 2 douglas fir 4 by board as the header is generally equal in feet to the depth in feet of the board.
If you have a floor above you ll need 2 2x6 s unless the building is 36 wide in which case you ll need 2 2x8 s.
Have sagging beam over pocket doors.