We have an old cinder block garage shed building built in 1967 with 2 9 foot wide garage door openings.
Header over garage door.
Loading conditions are detailed below.
Window door garage door headers supporting roof wall floor loads.
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.
Tbe row of 6 blocks have a 2 x 10 on top and a 2 x 10 below them.
These 9 foot openings are only supported by a makeshift header consisting of 6 cinder blocks sitting horizontally across the top of the opening.
Also see assumptions for table development.
The garage door header is the large piece of wood at the top of the garage which supports the roof of the garage and any living space above it.
These do carry weight.
The procedure for constructing a header for 6 inch exterior wall framing can be modified for any wall thickness.
Sometimes cripples are installed over a window or door fig.
Sagging garage door header lift system.
For each application a pdf download is available.
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.
The best way to fix this problem is to replace the header.
In an attempt to construct portal frames some garages are built with one continuous garage header extending over two or three garage door openings as shown in figure a.
Doors in a load bearing wall that holds the weight of the house created by beams and trusses need a larger header than those in non load bearing walls.
The header for a door is much like a bridge transferring the weight above it to the floor and foundation below.
If you notice that your garage door header is starting to sag or has developed cracks then you may have a serious structural problem.
Window door garage door headers supporting roof loads only.
When a garage door lintel fails it causes the brick wall being supported to sag leaving a noticeable crack right above the garage door.
Garage wall framing typically utilizes this technique encompassing the vehicle doors.
C to fill in the space between the top of a header and top of a wall.
As a bonus all this extra wood provides an ideal anchor for the nails used to install wood trim and moldings especially the wide stuff.