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