In all but the most bizarre situations they ll easily carry the weight for 4 ft.
Header size for double garage door.
Window door garage door headers supporting roof loads only.
Wide a common patio door width.
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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 there isn t enough room above the opening this can t be done without raising the roof of the garage.
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.
Many homeowners have two cars and need garage space to shelter them both.
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.
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.
If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
The standard size for double garage doors is 16 feet wide and 7 to 8 feet high.
When in doubt build a double 2 12 header sandwich like we explain next.