Mark this length on the 6 foot doorjamb plank and cut it to size.
Making an exterior door jamb.
Trutrim 37 5939 in x 6 8359 ft pine primed finger joint exterior door jamb kit.
Cut one stud to the width of the door and place it on top of the door opening.
Cut or break off any protruding wedges that extend beyond the door jamb.
Nail one door jamb to the wood frame you built on the hinge side.
Temporarily insert the vertical doorjamb planks into the door frame and have a helper hold them in place.
Make sure it s tight and opening in the right direction.
Measure the top of the door jamb.
Place the doorjamb into the door frame.
It s much easier to do now before the hinges are screwed in and the whole thing is attached to the door.
Make sure that the shims are tight.
After your three door frame pieces are cut to the correct size prime and paint them.
This is where you ll hang the door.
Drive all nails slightly below the surface of the jambs with a hammer and nail set.
Screw the hinges onto the correct side of the jamb.
Use shims to adjust the head and latch jambs so the reveal is consistent along the top and side edges of the door then nail the head and latch jambs in place.
Overlap the shims by sliding one in from the outside and one in from the inside.
Flip the hinges over and insert them into the cutouts.
Hang the door in the jamb.
Fasten the 3 sides of the exterior door jamb.
Use more shims if two are not enough.
Using a mortising template route matching mortises for the hinges on the door and jamb.
The door should be 90 degrees to the jamb.
Screw the hinges to the jamb using 3 4 inch screws.
Insert the shims at the top on both ends and along the sides at the top middle and bottom.
You now have a frame.
Insert shims between the doorjamb and the door frame.
Measure across the top of the door frame to the inside edges of the 2 doorjamb planks.
Unless you are installing a prehung door you ll need to trace the outline of the hinges on the jamb and cut an indentation using a router or utility knife.
Place the door in the jamb and fasten it to the hinges.