"So first thing we're going to do is put our initial 45 degree cut into this baseboard at the length we need," Weeks said pointing at a miter box.

Store-bought miter boxes aren't accurate enough for fine woodworking jobs. Build your own from scrap pinewood to cut perfect angles.

This is called a miter joint. The easiest way to cut taller baseboard miter joints is with a compound miter saw which allows you lay the baseboards flat to adjust the bevel angle.

Make a Miter Cut Set your miter saw at 45 degrees to the left. Position the molding upright so the back is flat against the fence of your miter saw. Cut a 45-degree angle off the end of the baseboard.

Article continues below this ad Take your time when cutting and nailing the molding. For inside corners use the miter box to cut a 45-degree angle where the molding dies into the corner.

Coping is cutting the profile of the baseboard into the end of the piece that intersects it. To cope an inside corner, cut one end at a 45-degree angle as if you were cutting an inside miter.

Really, it depends on how you like to work. I prefer the miter-down method, generally, because the trim’s length is established with a simple crosscut, not a miter cut.

Take your time when cutting and nailing the molding. For inside corners use the miter box to cut a 45-degree angle where the molding dies into the corner.