I will be installing interior French doors in a 60" wide opening between a Living Room(LR) and Dining Room(DR). The opening is currently trimmed out (but there are no doors).
#1 I obviously must remove the existing "jamb", and will also remove the trim on the LR side. Is it advisable to try to keep the DR trim intact, and shim from one side? OR should I just remove all trim and start from scratch?
#2 This is my first pre-hung door installation. (I usually hang doors myself). Should I leave the doors tacked in the frame when I shim the doors to fit the Rough Opening?
#3 The wall between the LR and DR is not plumb. The wall leans toward the LR about 3/8" along the height of the door. (The house is 100+ years old). Should I install the pre-hung doors plumb, or centered in the wall?
Thank you...