The ripped out the plaster and put in drywall and now all of the jambs protrude past the drywall.
Drywall extends past door jamb.
The first thing you need to do is to determine how long the door jamb extension needs to be.
I have a homeowner who has window and exterior door jambs that extend past the drywall by about 1 1 2 inches.
Window jambs extend beyond drywall.
Determine the length of the side jambs and the horizontal jambs.
Tools used on this job.
Mark the outline of the door jamb using a pencil.
In the place we re modeled he did much of our trim work and like the op we had many jams that were not parallel nor flush with the walls.
Use a measuring tape to record the distance from the drywall to the door edge to determine the length.
Watch a simple way to build and install your own wood trim that also solves a common problem with drywall that extends too far past door and window jambs.
As an amazon associate i make.
What he ended up doing is to extend the jam in order to split the difference i e at maximum the jam was 1 8 past the dw at minimum 1 8 behind.
Step 2 create the extended door jamb.
The door casing is nailed to the jamb and to the wall and covers the space between the doorjamb and the wall.
It s important to know what to do in less than ideal situations.
It is an old house 1920 s 2 story that had 2 layers of lathe and plaster on it.
Not everything is perfect.