Then using a spade bit drill a hole through the lock set mortise into the knob s hole.
Diy bedroom door installation.
Measure for the new door slab by checking the old door s width in three places across the top middle and bottom of the door.
Mark the pre hung door for the opening adding an inch or two for carpet to run underneath the door.
Attach 6 door installation brackets to the outside of the door jamb the wood frame to which the door comes pre attached.
Trim any exposed shims by scoring them with a knife and then breaking along the line.
Jot down the widest dimension.
How to install a pre hung door step 1.
Attach the door installation brackets.
Place a bracket behind each of the three hinges.
As you can see this one simple diy can make a huge difference.
After removing the old five sided door measure the doorway opening.
Mark the hinge placement.
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Drive 6 finishing nails through the trim and into the studs behind the wall spacing the nails about 16 inches apart.
Align the top edge of both doors and use the existing door as a guide for marking the hinge placement on the new door.
Next you ll need to drill the hole for the door knob and the lock set.
Measure your old door.
Next measure and cut.
When you have their measurements lay the.
Nail the trim to the jamb and studs.
Use the existing door as a guide place the existing door on top of the new door.
Using a hole saw that is the correct diameter for your knob gently drill out the hole for the knob.
Attach the remaining three brackets on the the other side of the jamb.