For cutting the left and right inside corners place the molding upright and rotate the saw to set miter angle at 31 6 degrees.
Cutting inside corner crown molding with miter saw.
Tilt the saw to the left and set the bevel angle at 33 9 degrees if you haven t already set it.
The saw can be set to 45 degrees to the left or 45 degrees to the right.
Mitering your crown molding involves cutting each corner at an angle so that the edges fit together perfectly.
These two things are constant.
These include the bevel angle and the miter angle.
One of the advantages of using a compound miter saw is that you can tilt it to make a bevel angel while rotating the saw will enable you to make a miter cut.
This method of cutting crown molding can be done with any miter saw.
Using a power miter saw is the best way to cut crown moulding angles.
The joints crown molding is referred as compound since the cut on every side usually has two angles.
This will ensure a sharp cut and a seamless corner.
Your saw might say 33 8 the 1 degree is not enough of a difference to matter.
Set your miter saw to bevel left at 33 9 degrees.
Slide the molding to the right side of the blade to cut the left hand piece for an outside corner.
The advantage to cutting crown molding using this method is that no bevel cut is required.
This involves using an angle finder and miter saw to cut 2 pieces of molding at half of the corner s angle.
The saw can be adjusted to cut at any angle set it to 45 degrees for one side of a standard 90 degree corner.
Again set the bevel angle at 33 9 degrees.
Then make cut just like you did before.
You will always want to use a blade with at least 96 teeth or more.
Using these techniques the inside corner is virtually seamless.
Turn on the saw and make the cut.
After that make your cut in the same manner you did before.
Therefore when adjusting the saw for out of square corners the user needs to only adjust the miter system as opposed to both miter and bevel systems when laying crown materials flat.
It s a best practice to cut crown moulding upside down on the miter saw.