How To Cut Inside Corner Crown Molding With A Coping Saw

Cutting a coped joint on an inside crown molding is a standard practice because cutting mitered inside corners often results in an unattractive joint or one that will come loose over time.

How to cut inside corner crown molding with a coping saw. Coping is cutting the crown s profile on the end of one piece with a coping saw to fit over the face of an adjacent piece of molding. The saw can be set to 45 degrees to the left or 45 degrees to the right. Compound saws are advantageous because the saw tilts to cut the bevel and rotates to the left or right to cut the miter making both angles with a single cut. Next place the piece of crown molding in the jig and the bed of your saw to cut the right inside corner.

The saw can be adjusted to cut at any angle set it to 45 degrees for one side of a standard 90 degree corner. Don t nail within 16 in. Butt it into the corner. Using a power miter saw is the best way to cut crown moulding angles.

Measure and cut the end of the first crown molding square. To cut crown molding inside corners start by measuring the angle of the corner using an adjustable protractor and setting a compound miter saw to the correct angles. It s a best practice to cut crown moulding upside down on the miter saw. Photo 9 shows you how to position the crown molding upside down in your miter box for cutting the bevel.

4 smooth out the rough edges of the coped cut with sandpaper or a round file. 5 install a square cut length of molding first then butt the coped cut piece into it to form a tight fitting inside corner joint.