Things You'll Need:
- Measuring tape, miter saw, crown molding, pencil
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Step 1
First measure two walls on opposite sides of the room.
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Step 2
Using your miter saw cut the crown molding to the measurements. Cut these two pieces square.
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Step 3
Nail these two pieces up.
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Step 4
Next measure between the two of these two pieces you have nailed up. Be sure to measure between both because one side measurement may not be the same as the other if the room is not completely square. Mark your crown molding with a pencil to the exact measurements.
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Step 5
Set your miter saw to cut a 45 degree angle.
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Step 6
Now turn the crown molding upside down on the miter saw. Make sure the back angles of the crown are sitting flush against the back fender of the miter saw as if you were putting it on the wall and ceiling upside down.
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Step 7
Cut one end of each crown molding.
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Step 8
Now turn the miter saw to the opposite 45 degree and then cut crown molding at proper measurements. Make sure your measurements are at the long end of the 45 degree angle.
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Step 9
Take your coping saw and cut out the back edge of your miter saw cut making sure to follow crown molding profile. You are actually reversing the 45 degree angle of the crown molding making a sharp point on the profile side of the crown molding.
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Step 10
When installing the crown molding bow the middle of the crown out from wall in order to get the crown molding between the other two pieces you have already nailed up. Press middle in crown molding should lock in between the other two pieces. This will give you a nice clean joint.












