Compound method flat molding laying with broad back surface down flat on saw table.
Cutting cornice flat.
Set saw miter and bevel angles from table and diagrams below.
See the first photo.
In my case i allowed for the scallops so placed the template off the end cut making sure the saw blade lies flat against the template s left leg.
Cutting crown on flat is a more precise since it can be held straight on the miter saw easier.
Cutting coving moulding cutting in a mitre box use a mitre box to accurately cut the corner mitres make sure that the mitre box is large enough so that the two edges of the coving can fit flat against the bottom and side of the box see right.
So the crown molding sits upside down on the saw.
If you are a beginner start out with in position cutting.
The left leg should touch the end of the length of cornice allowing for the width of the blade.
Place molding in compound miter saw with broad back surface down flat on saw table visible decorative surface up.
If you re using a 10 inch blade you will be able to cut cornice up to 4 inches tall while a 12 inch miter saw can cut it up to 6 inch tall molding.
This may have a 10 inch or a 12 inch blade note.
This video shows how to cut internal and extern.
Large crown may have to be cut on flat.
Set the template on the cornice apex on the edge that will adhere to the ceiling.
One way to cut crown molding it to use the 90 degree intersection of the table and fence on a miter saw to play the part of wall and ceiling.
Top of molding doesn t have decorative edge.
You will use crown tables or the bosch digital protractor that will calculate the compound angles for you.
Flip the material around to cut both ends of the inside and outside corners.
Take your cornice board down and either clean the existing cover with a damp cloth or remove it by cutting it away with scissors.
You must flip the material around to cut both ends of the inside and outside corners.
Here are a few tips on how to use a miter saw to cut cornice.
A 12 inch compound sliding miter saw or radial arm saw is required for crown molding of more than 6 inches tall.
How to cut crown molding.
