This will give you a 120 degree vaulted corner.
Crown molding angles for vaulted ceiling.
Also shop from the our broad selection in our crown molding superstore.
If you like vaulted ceiling crown moulding you might love these ideas.
This is what you set your miter saw angle to.
Solution to crown molding in a room mixed with 90 degree and 45 degree walls.
Make both cuts at 15 degrees each.
Take 120 90 30 degrees difference.
Be sure to lay the crown molding flat on the saw table when making these cuts.
You need three pieces of molding to get started.
A quick and dirty crown molding tip slide angle finder into the angle between ceiling planes.
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.
Divide 30 by 2 15 degrees.
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.
Use that to determine the exact low point of where the two pieces of crown will touch in the corner on the wall.
Find a consistent height in your room with the vaulted ceiling say 8 to 9 high or follow the lowest point in the ceiling and simply run your crown molding horizontally around the room.
Make sure your scrap piece fits squarely into the miter saw before cutting.
Standard 45 degree cuts can be used on a sloped ceiling.
Tighten the angle finder to the desired angle.
Example 120 degrees a regular flat ceiling is 90 degrees.
A mini false wall or ceiling was added to the angled wall to create a smooth transition.
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.
Take an angle finder and measure the degree from the wall to the ceiling.