Just an fiy take on the same principal that chris uses there s a youtube video that shows a master carpenter who basically threw out his angle finder crown molding protractor in lieu of a roll of paper drywall joint tape to figure out angles a link is easy to find by typing how to measure for crown molding without tools but.
Cutting ceiling molding angles.
How to cut crown molding.
Standard 45 degree cuts can be used on a sloped ceiling.
Angled flats on back of molding must rest squarely on the fence and base of the saw.
Crown molding vertically nested against fence decorative edge is always against the fence.
No it s not necessary to cut and use the complicated triangular piece.
With a measuring tape measure from the outside edge of the corner back along the wall to the end.
Use that to determine the exact low point of where the two pieces of crown will touch in the corner on the wall.
It s best to cut a standard inside corner template as you see in the video above.
Top of the crown molding rest against table.
For a left hand cut most of the molding will be to the left of blade when the finished side of the molding is face up bottom down.
Blend your house sides together with help from an experienced foreman.
Each molding joint has a left side and a right side.
Ceiling trim makes ceilings better looking by creating a link between wall and ceiling.
Step 6 measure the rest of the spans along the wall tops and cut them in the same manner.
Place trim molding on a miter saw in the position it will go when installed.
Some digital angle finders give you an automatic reading of this slope while others have buttons to push first in order to find the angle measurement.
Nail it in place by shooting trim nails every foot or so at a diagonal angle.
Turn the blade to 45 degrees outward.
Put the first end of the molding under the blade.
Place one arm of your angle finder flat against the wall just below the ceiling and open the angle finder until the second arm is flush against the slope of the roof.