If not slide shims between the concrete wall and the frame.
How to frame a door in a concrete wall.
Concrete blocks are often used to build basement and foundation walls in the home though they can also be used in other locations as well.
If your rough opening is made of cinder blocks it will be easiest to find a pre hung door that is smaller than your rough opening rather than trying to enlarge your door opening.
A typical door opening is 2 inches 5 1 cm wider than the door size being installed to allow for the thickness of the jamb material and shims to plumb the jamb.
The size of the door opening will vary depending on the size of the door you plan to install.
Insert the shims at the top of the door behind the topmost hinge.
By the end of this section your frame will be secure against the concrete wall and ready for insulation and drywall.
The easiest doors to install are pre hung doors.
Measure your door carefully and cut the opening to fit using a reciprocating saw.
When placing a door in an opening these doors must be fastened to the base material that is present in this location.
That way you can be sure the opening is wide enough.
If you re building a new partition wall that includes interior doors you ll need learn how to frame a door opening properly save yourself time and money by purchasing the prehung door you want to install before you begin framing.
To install a door in a concrete block wall you ll need to first create an opening for the door.
Determine the size of the door opening.
These blocks are durable and easy to install but can be difficult to modify or remove.
Place a level against the hinge side of the frame to verify whether it is exactly plumb.
Slide the frame back into the opening and press the hinge side of the door frame against the adjacent wall.
In my case i secured the bottom of the frame to the baseplate one side of the frame directly to the concrete block and the other side and the top to the existing wall frame using spacers.
Here is a step by step tutorial on how to install a prehung exterior door frame in a concrete wall.