Cutting Crown Molding

What is crown molding?

Crown molding is molding that crowns a particular structure or surface. A common example of crown molding is the molding that runs between a ceiling and the top of an internal wall.

Equipment required

The following will be needed for the cutting process:

·         Preferably a compound mitre (also known as miter) saw

N.B Please note that this cutting process is only intended for walls and ceilings with 90-degree corners. Any common type of crown molding can be used.

There are four basic miter cuts for crown molding. They are inside left (IL), inside right (IR), outside left, (OL), and outside right (OR).

Before cutting the actual crown molding, it is advised that a “practice” round should be completed using the above mentioned cheap crown molding.

Go and buy sufficient amounts of cheap crown molding – six to eight feet of molding is enough. The molding should be at least 2.5 - 3inches wide. Make four sample pieces of molding, each with one of the four basic cuts mentioned above. Make standard 90-degree cuts at the opposite end of each piece to avoid confusion.

The Process:

1.       Lay the crowning flat on the miter saw’s table. The recommended angle to set the miter saw is 31.6 degrees.

2.       The molding piece must be positioned on the saw correctly; the top must beagainst the fence for some cuts and against the bottom of the miter saw for other cuts.

3.       For the Inside Left cut, the Miter setting must be 31.6 (or the set angle) degrees right. Place the top of the molding against the saw's fence and begin to saw the molding. The finished piece after the cut is the piece on the left.

4.       For the Inside Right cut, the Miter setting must be 31.6 (or the set angle) degrees left, place the bottom of the molding against saw's fence and begin to cut the molding. The left piece will be the finished piece after the cut.

5.       For Outside Left cut, the Miter setting must be 31.6 (or the set angle) degreesleft and place the bottom of the molding against the saw's fenceand cut the molding. This time, though, the right piece will be the finished piece after the cut.

6.       For outside right the Miter setting must 31.6 (or the set angle) degrees right. Place the top of the molding against the saw's fence and cut the molding. The finished piece after the cut will be the piece on the right.

If the process is completed successfully, repeat the above steps with the proper crowning mold.

The cutting process is then complete.

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