With the miter saw set to 0 degrees make a straight cut to create the butt joint where the end of the moulding will be.
Cutting crown molding for sloped ceiling.
Transfer the measurement to moulding.
The bottom of the crown must be held firm against the fence and let the top rest on the miter saw table.
When measuring and cutting crown molding pieces you will also need to take the measurements and angles of filler pieces into account.
Measure the distance from corner to corner on the first wall.
It s best to cut a standard inside corner template as you see in the video above.
April 2 2004.
When using a miter saw to cut crown molding for horizontal ceilings you must prop the crown molding against the fence as shown in fig 2.
Therefore the angle between the wall and the ceiling is 110 degrees.
This simple cut is how to cut crown moulding to be used in between crown.
Note that crown molding is cut with the miter saw upside down using the saw s table as a guide to fit the molding to an angle equal to that needed to fit with the ceiling.
The corner angle for joint b is 110 90 200 deg.
Crown stops are nice to have in order to help hold the crown while making the cut.
The inside corner must be cut with the molding upside down in your saw the way crown is normally cut in a miter saw when it s in position but the outside corner of the transition piece must be.
So in the illustration we will be mitering the right side of the crown molding.
Make sure your scrap piece fits squarely into the miter saw before cutting.
Standard 45 degree cuts can be used on a sloped ceiling.
Our first miter cut is going to be on the crown molding that will come along the tallest part of the ceiling and then run into the molding that goes down the slope of the vaulted ceiling.
Calculating angles and inside corner details for crown applied to sloped ceilings.
Crown molding miter cuts.
Crown molding detail for sloped ceilings.
One of the most common methods for fitting crown molding to a slanted ceiling is to attach the molding to a filler piece that is in between.
Use your true angle tool and measure the angle between the wall and the ceiling then add 90 degrees to it to get the actual corner angle for joint b.
Use that to determine the exact low point of where the two pieces of crown will touch in the corner on the wall.