Go to your local building office and ask about the dimensions of the garage door header.
Put header in for garage door.
This header should be an inch and a half higher than the garage door and 9 inches wider than the door.
Attach lumber to the face of the garage wall to the edge of the garage door header 7.
I don t want to move one of these beams around any more than i have to.
However if you intend operating with a garage door opener 14 inches of headroom is recommended.
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.
These will help to support the new garage door header.
Cut a 2 x 6 piece of lumber and nail to the face of wall exactly in the center of the garage header.
They are typically 31 2 in.
How to build a garage door header step 1.
Take some 2x4 s and use these to add 3 rows of supporting frames around the sides of the door and just below the header.
Together the headers king studs and trimmers act as a system that transfers weight from above down and around the window and door openings to the floor and foundation below.
Header the header is ideally a minimum 12 wide micro laminated beam that spans the width of the garage door opening.
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.
The standard headroom for garage doors is 12 inches.
Lay a single piece of the 1 inch by 11 inch lumber cut in.
Rip 11 inch wide strips of inch plywood using a circular saw.
The king studs nailed into the end of each header and the trimmers that butt just under the header combine to create a sturdy vertical support column.
If you are only opening the door manually that is enough headroom.
The parallam beams used as headers atop simpson garage door walls are heavy.
This allows the header to take the weight of your wall.
Carefully measure the length of your door as the header must be at least 9 inches longer than that and at least 1 1 2 inches higher than the door.
On my last job i didn t even take it off my truck s lumber rack.
Deep by 22 ft.