Your garage will almost certainly be built with one of the above solid bricks do exist but are very unlikely to be used in a modern garage.
Putting a door in a garage wall.
Use chalk to mark the areas where you want to cut through the brick.
Determine how tall and how wide you want the doorway to be.
Move the stud finder around until you find the stud in the wall that is nearest to the garage door.
Before you make your first cut double check the measurements.
The opening should be two inches wider than the door frame and about an inch taller in height.
Run a stud finder across the wall perpendicular to the garage door on the right.
If you are going to install a door into the frame take into account the exact dimensions of the door when you make your measurements on the wall.
Leew2 18 mar 2011.
Mark this spot with a pencil and then repeat this process on the wall to the left of the garage door.
Caulk underneath the spots where the bottom of the jamb and brick moulding will be.
Mark the opening size for the door on both sides of the wall.
However the door frame should cover up any inperfections.
Check the fit before installing a new door and enlarge the opening as necessary.
Add another set of marks across the top of the frame to represent a steel lintel that will support the load above the door.