attaching baseboard molding to the columned room divider
Photo: Ryan Benyi

Step 17: Install the Baseboard Molding.

Follow the same approach to install the baseboard: front and back first, then the piece that's mitered on both ends. Cut pieces to fit along the exposed wall and install those. Install the base cap—½-inch quarter-round molding in this case—the same way. Then cover any gaps along the floor by installing the ¾-inch shoe molding. Finally, fill the nail holes and caulk the joints and seams, sand everything smooth, and prime and paint the entire structure.
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    Tools List

    • 100-foot tape measure
      Tape measure
    • straightedge guide
    • bar clamp
    • circular saw
      Circular saw
    • caulk gun
      Caulk gun
    • drill
    • Countersink bit
      Countersink bit
    • four-foot level
      4-foot level
    • pneumatic brad nailer
      Pneumatic brad nailer and air compressor
    • combination square
      Combination square
    • miter saw
      Miter saw

    Shopping List

    ¾-inch medium-density fiberboard (MDF)
    Get three 4-by-8-foot sheets for an 8½-foot ceiling.

    2x8 lumber to build the base


    Solid crown molding to trim the capital and the cabinet top

    Baseboard molding

    ½-inch and ¾-inch quarter-round molding
    for the base cap and shoe molding

    1½-inch MDF screws to assemble the boxes

    2½-inch deck screws to install the base and the blocking

    1¼-inch brad nails

    Construction adhesive

    Wood filler and paintable caulk

    Primer and paint