Top of molding doesn t have decorative edge.
Cutting cornice flat.
Compound method flat molding laying with broad back surface down flat on saw table.
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 will use crown tables or the bosch digital protractor that will calculate the compound angles for you.
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.
5 lay your fabric on a clean flat surface with the printed side down.
This video shows how to cut internal and extern.
Set saw miter and bevel angles from table and diagrams below.
You must flip the material around to cut both ends of the inside and outside corners.
How to cut crown molding.
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.
See the first photo.
Sometimes the measure mark is against the fence and harder to see.
Large crown may have to be cut on flat.
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.
This may have a 10 inch or a 12 inch blade note.
So the crown molding sits upside down on the saw.
Here are a few tips on how to use a miter saw to cut cornice.
The left leg should touch the end of the length of cornice allowing for the width of the blade.
Flip the material around to cut both ends of the inside and outside corners.
A 12 inch compound sliding miter saw or radial arm saw is required for crown molding of more than 6 inches tall.
When doing this the fence plays the part of the wall and the table plays the part of the ceiling.
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.
Place molding in compound miter saw with broad back surface down flat on saw table visible decorative surface up.
