Rest Bottom Of Molding Against The Fence And Top Of Molding Against Table.

Set miter angle to half wall angle. To do this, choose a molding that covers the ceiling and wall seam.

To Create An Illusion Of Broader Crown Molding, Combine Multiple Trim Pieces At The Top And Bottom Of The Angled.

If the vertical rise is between 6″ and 10″ and the run is between 16″ and 20″ then this will result in a crown molding with a spring angle between 34° and 40°. On an outside corner, the bottom will be shorter.

This Helps Determine Which Side Is The Face And Which Side Is The Back Of The Crown Molding.

These have a flatter face with more of an arc to the top. 45° miter for 90° walls.

Taller Or Vaulted Ceilings Require Wider Crown Molding.

If using a compound miter saw, set bevel angle to 0° (no bevel) on an inside corner, the top of the molding will be shorter; This is known as a spring angle and measures 38 or 48 degrees.