How to Install a Prehung Door
How to Install A Pre Hung Door - 3 Different Waysand can season episode
When you install a doorway, you usually nail the jambs so their edges are flush with the walls on either side of the door. If you do this when the wall is out-of-plumb, though, the jamb won't be plumb either. A door that's centered in it will have a tendency to either swing open or slam shut. You can avoid this by disregarding the wall angle and plumbing the jamb. To do this, you have to use slightly wider jamb material than you normally would so you can trim the edges at at an angle. Measure the distance from the header to the floor with a tape measure and cut two lengths of 1-by 6-inch knot-free pine or fir lumber to that length.
Doors are more complex and deserve more care than you might think. A good door has to be leveled according to the flooring and ground slope. This is where your jamb comes into play. Level it out against the door frame by placing shims behind it. Add door stops to the inside of the jamb to keep the door from swinging through it. To install a door jamb, start by measuring the door frame and cutting the wood to size. Next, add glue to the end of 1 of your longer pieces of wood and attach a shorter piece to it.
Occasionally, a door jamb will need to be replaced because it has become damaged with use. It can be broken during a break-in or just dented and gouged as a result of moving furniture. Whatever the reason, it's important that you replace it quickly so the door is secure. This is a simple home improvement project, but it requires a few carpentry skills and a little knowledge. Remove the existing door by pulling out the hinge pins and lifting it off of the hinges. Set the door aside in a safe place, and place the pins in a plastic bag so you don't have to worry about losing anything important. Leave the other side of the hinges on the door jamb, as you will use this piece later.
A door is a precision instrument. It should consistently snap into its latch, clear its jamb, and swing effortlessly on its hinges. The fine tolerances needed to achieve this kind of performance help explain why hanging a door is considered a true measure of carpentry skill. In those days, he'd assemble the jamb, hand-cut the hinge mortises, and hang the door separately. A prehung door does simplify and speed up installation, but the term "prehung" is really a misnomer.