Learn the Basics About Baseboard Joints

Here's a quick primer on the different types of joints that can be created when installing baseboards.
  • Butt joint: A simple 90-degree joint best used when the new baseboard will die directly into a door casing.
  • Miter joint: Outside corner
  • Coped joint: Inside corner joint. One piece will go directly into the corner as a butt joint (flush against wall). The intersecting piece will be cut at a 45-degree angle. The profile along the cut will be coped with a coping saw to allow the piece to fit snugly against the butt joint and form a nice inside corner.
  • Scarf joint: A joint in the center of the wall where the two pieces meet. Cut to 45-degrees.
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