The garage was framed with 2 x 6 joists that span the entire 26 feet from one side of garage to the other with no connection to the garage door header or house structure other than bridging or cross braces.
Size of beam over 16 garage door.
So for a 16 wide door your beam will have to be 16 6 long.
Table 1 consolidates loading sizes and cost data for all of the applications.
Window door garage door headers supporting roof loads only.
Header spans are typical for a window and a patio door.
A balance beam is 16 feet long and 4 5 inches in width and height varies.
Window door garage door headers supporting roof wall floor loads.
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.
Or less by the doors.
Needless to say the ceiling has dropped or deflected over 5 5 8 inches in the center.
And the garage door header is based on a 2 car garage door opening.
I have a existing garage with a 16 foot garage door.
The span for the girder is based on the size of an average sized game room.
The garage was originally post and beam with posts every 10 feet and has a total depth length of 28 feet.
No size 16 is not fat.
Now here is a twist.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
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.
I get 18 wide garges submitted often.
The door is on the gable end of the garage and the total span is 16 4 with a total garage outside width of 16 11.
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.
The structural ridge span represents the size of a large family room.
What size beam to support a storage loft in a garage do i need to span a 16 foot garage.