If the opening will be 5 to 6 feet wide such as for double doors then you will need two 2 by 10 headers.
Header for 8ft by 10ft garage door.
Attach lumber to the face of the garage wall to the edge of the garage door header.
If there isn t enough room above the opening this can t be done without raising the roof of the garage.
This piece of.
Last pull a measurement from the top of the 2 x 6 piece of lumber that you just installed to the ceiling of the garage.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
Calculating header size is no picnic as you learn how to frame a window.
Header requirement 2 at minimum the header should be 12 wide with doubled 2 4 at opening and ceiling running the width of the door with a 2 4 in the center of the opening for the center bracket to attach to.
How to measure the finished width and height use of 2x4s for the sides and header.
Wide a common patio door width.
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.
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.
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.