How to Cut Crown Moulding Inside Corners

Moulding is trim placed around rooms to accent or mask the corners. Moulding normally has a beveled face and a flat back. The flat back fits up against walls and the beveled face is outwards towards the room. Inside corners are those that are concave (sunk in) and are the most common type inside a buidling. In order to make moulding flow around the corner, it has to be cut at an angle.

Things You'll Need

• Safety glasses
• Moulding
• Power miter saw

Instructions

1. Put on the safety glasses.

2. Adjust the miter saw to be one half of the angle of the corner. For 90-degree (square) corners the angle would be 45 degrees. Make sure the saw is pointed towards your non-dominate hand when you are holding it with your dominate hand.

3. Hold the back (flat) side of the moulding firmly against the miter saw's backstop with your non-dominate hand.

4. Slide the moulding over the gap in the backstop for the saw blade. The back edge of the moulding should be over enough so that the saw starts cutting at the back corner. Make sure your non-dominate hand is at least 3 feet from the sawing area.

5. Plug in and turn on the saw.

6. Slowly and firmly pull the saw downwards in one clean motion. Raise the saw back up then turn it off.

Tips & Warnings

• For corner crown moulding, the two edges that come in contact with the wall and ceiling should be placed on the backstop and table, respectively, of the miter saw. When flipped over, this will create the correct angle.

• Power saws are dangerous and can cause serious injury. Read all instructions and safety precautions before attempting to use the tool.

References

• Mouldingandmillwork: Installation Guide