How to install a new pre hung door over drywall in a hallway or to split a room.
How to mount a door on the wall.
One nail at each hinge location one through the shims near the top and the bottom of the latch jamb and one each just above and below the striker.
The opening should be two inches wider than the door frame and about an inch taller in height.
To hold the two jambs together drive 8d finish nails through the stop and into the trimmers.
Step 1 mark the opening size for the door on both sides of the wall.
Break apart the caulking on the trim of the door.
We drove the screws at the shim locations to hold the shims in place and avoid bending the jamb.
Nails through the exterior trim hold the door frame temporarily but they don t offer enough support to keep the door square over time.
For this project you will need concrete masonry.
For that we still needed to drive 3 in.
You can do this carefully with a hammer and chisel.
Removing the old door.
Learn how to properly install a entry door inside your basement where you have to mount it to concrete walls.
Cut along the outline down to the sheathing.
Screws through the jamb and into the wall framing photo 11.
Add another set of marks across the top of the frame to represent a steel lintel that will support the load above the door.
Nail the casing to the wall on both sides of each miter and about every 18 inches along the casing.
Remove any trim surrounding the door frame.
Finish the corners with a sharp wood chisel.
Stop just short of the corners to prevent damaging the siding that will remain.
There are many ways to install a door and this is the method i.