Make both cuts at 15 degrees each.
Crown molding angles for vaulted ceiling.
Use that to determine the exact low point of where the two pieces of crown will touch in the corner on the wall.
Standard 45 degree cuts can be used on a sloped ceiling.
A mini false wall or ceiling was added to the angled wall to create a smooth transition.
This will give you a 120 degree vaulted corner.
It s best to cut a standard inside corner template as you see in the video above.
Place the hinge into the corner and then slide the legs out to.
Solution to crown molding in a room mixed with 90 degree and 45 degree walls.
Tighten the angle finder to the desired angle.
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.
Presented by frank fredericks custom homes this video explains how to install crown moulding on a vaulted or cathedral ceiling without using a 3rd piece tr.
Make sure your scrap piece fits squarely into the miter saw before cutting.
Take an angle finder and measure the degree from the wall to the ceiling.
Example 120 degrees a regular flat ceiling is 90 degrees.
Take 120 90 30 degrees difference.
Be sure to lay the crown molding flat on the saw table when making these cuts.
We set the miter angle to the left side 17 5 degree mark and then held the crown molding such that the lip that would touch the wall was sitting flat on the compound miter saw and the lip that touches the ceiling was pointed away from the fence towards the person making the cut.
This is what you set your miter saw angle to.
Divide 30 by 2 15 degrees.
This usually requires an angle setting of either 32 or 45 degrees.
A quick and dirty crown molding tip slide angle finder into the angle between ceiling planes.
You need three pieces of molding to get started.