How to Install a New Door in an Old Jamb Part 2 How to Install a New Door in an Old Jamb Part 2

What You'll Need
Colored tape

Even though it might take a long time, you can install a new door on your own. Though it might seem like a task that needs to be done by professionals, you can do this yourself.

Step 1 – Marking

Once the door is centered, make sure to mark an X with a tape or with a pencil on the hinge stile. This will help avoid confusions like hinging the door in the wrong direction.

Step 2 – Tools for Scribing

Make sure you have a set of scribes; a mechanical pencil will work well. If you have adjustable scribes, it will prove to be handy, as the scribes can be used to fit the floor covering's thickness.

Step 3 – Scribe

The scribes should be spread in a way that there is a 3/16 inch gap. This will ascertain that it does not create any contact with the jamb and that the leaves on the hinges do not touch.

Step 4 – Head Jamb

Now proceed to the head jamb area and squeeze onto the scribes and make sure they close. The door's top should hit the jamb's head. If they don't, then spreading the scribes will do the trick.

Step 5 – Prep Work to Cut the Door

Place the door on a flat surface. Get a hold of a square and a utility knife. Now with the help of these tools, draw a line across the hinge stiles and the lock. Also score at the door's edge from where the saw will exit.

Step 6 – Cut the Door

Use the circular saw to cut off the marked portion at the door's bottom. It has to be cut in a straight line otherwise it will be uneven. After you cut outside the marked pencil line, use the electric plane to cut right on the line.  

Step 7 – Hinge Stile

Before you start work on the hinge, make sure that the score line rests parallel to the door's edge. If it is not parallel, you will have to plane it out slowly. Use successive passes to achieve the parallel position.

Step 8 – Lock Stile

The lock stile needs to be planned. The process is the same as the hinge stile, but make sure you have a bevel that is consistent. The angles have to be checked by placing the square at points on the stile. For instance, the bevel should lie at a distance of 1/6 inch from the square if the door is 1 ¾ inch and the bevel is at 3 degrees.

Step 9 – Mortise Hinges

Place the router to the accurate depth and hold the hinge onto the template and extend the bit till it flushes against the hinge. Now take the template and position it against the door. Rout a nick off the hinge mortise. Check the depth.

Step 10 – Router

Inject the router in the door along the template's shoulder, pass along the mortise, and finish at the center portion. Drill holes for the screws of the hinges.

Step 11 – Place the Door

Place the door and check if the holes though which the screw will enter line up. If they do not line up correctly, you will have to drill new holes. Place the door on the topmost leaf and drive the pin in. Open the door and place the screw into the bottom hinge.

Step 12 – Check

Check the alignment of the door. Open and close the door to check if the job was done properly.


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