Measure the distance from the bottom plate of the wall to a point that is 1 1 2 inches higher that the garage door height.
Framing overhead garage door opening.
These trimmers should be.
The headroom of your garage refers to the space between the opening and the ceiling.
It s an essential space because if your garage door of choice is an overhead garage door most popular garage door type it needs that headroom to fully open and close.
Frame the rough opening for the garage door to 3 inches wider than the garage door you have selected.
The rough opening is equal to the size of the door but you need to figure back head and side room before choosing and installing the new garage door.
Other types of doors that require a headroom are tilt up garage doors popularly known as.
Install the garage door opener.
Cut four 2 x 4 trimmers to this length and nail two each to either side of the rough opening.
This lumber will be used to attach your garage door track and a portion of your assembly.
Garage door openers come in several varieties.
Cut two 2 x 6 pieces of lumber and attach to the face of the wall running from the edge of your garage door jambs to the ceiling of your garage.
Follow the included instructions to hook up the opener and fasten it to the spring system with a pulley and cable.
To install the opener you ll need to hang another angle iron from the center joist on your garage s ceiling.
Step 1 measure the old door if you are replacing an existing door with one of the same size or the new door of choice if you are building a new garage.