How to Cut Angles for Ceiling Trim


Cutting your ceiling trim into miter angles will let the trim meet at the corners of the room cleanly and elegantly. To cut the trim, you will need a miter saw. Do not be intimidated by this power tool. As long as you place the miter saw on a stable work surface and keep your hands clear of the blade, you will get the job done safely. You will be able to cut miters with confidence by the time you are done.

Things You'll Need

  • Miter saw
  • Ceiling trim
  • Safety goggles
  • Breathing mask
  • Align the saw pointer with the 45-degree mark on the degree scale of the miter saw.

  • Lock the saw's table into position.

  • Hold the trim against the saw's fence with your left hand. Greg Kossow, author of Trim Complete, suggests that a safe distance between your hand and the blade is equal to the width of your hand.

  • Turn on the saw and wait for it to reach its full speed.

  • Grasp the saw's handle with your right hand. Bring it down into the trim with a steady downward pressure. When the cut has been made, turn off the saw, leaving the blade in the down position. When the blade has completely stopped, move the blade back into the up position.

Tips & Warnings

  • Wear safety goggles and a breathing mask when using a power saw to protect yourself from sawdust.

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  • "Trim Complete"; Greg Kossow; 2007
  • Photo Credit construction tools, saw image by Greg Pickens from
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