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.
Cutting crown molding for sloped ceiling.
Use that to determine the exact low point of where the two pieces of crown will touch in the corner on the wall.
Crown molding miter cuts.
Continue reading below our video of the day.
The corner angle for joint b is 110 90 200 deg.
Transfer the measurement to moulding.
Make sure your scrap piece fits squarely into the miter saw before cutting.
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.
It s best to cut a standard inside corner template as you see in the video above.
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.
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.
When measuring and cutting crown molding pieces you will also need to take the measurements and angles of filler pieces into account.
Standard 45 degree cuts can be used on a sloped ceiling.
Crown molding detail for sloped ceilings.
The bottom of the crown must be held firm against the fence and let the top rest on the miter saw table.
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.
This simple cut is how to cut crown moulding to be used in between crown.
So in the illustration we will be mitering the right side of the crown molding.
Calculating angles and inside corner details for crown applied to sloped ceilings.
Our example is a 20 degree sloped ceiling.
Crown stops are nice to have in order to help hold the crown while making the cut.
Therefore the angle between the wall and the ceiling is 110 degrees.
April 2 2004.
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.