These doors and jambs must still be carefully adjusted to account for shortcomings in the wall frame.
Installing interior door and frame.
Drive two nails through each shim about an inch from each edge of the jamb with one about a inch above the other.
Drive two nails through the frame through the shims and into the studs.
Place a bracket behind each of the three hinges.
To install the jamb the right way nail measured pieces of wood together to form the jamb s frame.
Tape your level to a straight 2x4 as shown.
If you re installing a pre hung door make sure you get the correct.
Check the whole length with your straightedge.
Nail the door frame to studs drive 8 finishing nails through the frame through the shims and into the studs.
Whichever type you use there are a variety of styles available to match your home decor.
If your frame is in good shape a slab also called a blank door image to the right is fine.
Shim the bottom of the door frame about 4 in.
Also measure the jamb depth.
Level it out against the door frame by placing shims behind it.
Attach the door installation brackets.
Most security doors come in a prehung frame.
Up from the floor on the hinge side making sure the hinge side is exactly plumb and then nail it.
A prehung door is a unit that comes with hardware and a frame ready to be installed into a doorway.
Next consider the door frame.
Purchasing one does simplify and speed up installation but the term prehung is really a misnomer.
If your doorframe is damaged you need a pre hung door which includes the frame and door.
Look for doors with a metal screen of thick gauge steel which allow for a full view and ventilation.
Attach the remaining three brackets on the the other side of the jamb.
The new door should be 1 2 inch less than the height of the rough opening and 3 4 inch less in width.
It s a good idea to measure the actual door too.
After the frame is set i usually like to hang the door to check the fit and twea.
Schedule an in home measure and ask your authorized measure technician to look at the backset size so that you can be sure to choose the right deadbolt lock the most.
Add door stops to the inside of the jamb to keep the door from swinging through it.
Next shim the center area of the jamb to straighten it and then nail it.