Window door garage door headers supporting roof wall floor loads.
Header size for double garage door.
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.
Wide a common patio door width.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
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The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
In all but the most bizarre situations they ll easily carry the weight for 4 ft.
Wide window and door openings and in most situations be code compliant for openings up to 6 ft.
If you are putting in an opening between 4 and 5 feet wide then you ll need two 2 by 8 headers.
When in doubt build a double 2 12 header sandwich like we explain next.
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.
Window door garage door headers supporting roof loads only.
If there isn t enough room above the opening this can t be done without raising the roof of the garage.
Many home builders do not consider this a structural necessity but a style and price choice for the homeowner.