Overview

exploded view of columned room divider assembly
Illustration: Gregory Nemec
«»
Day-to-day timeline
SATURDAY: Stack the cabinet boxes and add the face frame (Steps 1–10).
SUNDAY: Build the column, and cut and install the trim (Steps 11–17).

Download and print the cut list here. Or see below

Cut list for columned room divider

Cabinet boxes
¾-inch medium-density fiberboard (MDF) box tops: three @ 12 by 36 inches
¾-inch MDF box bottoms: three @ 12 by 36 inches
¾-inch MDF filler layers: two @ 12 by 36 inches
¾-inch MDF box sides: six @ 9½ by 12 inches
¾-inch MDF base panel and cabinet top pieces: three @ 14¼ by 37½ inches
¾-inch MDF box back: one @ 34½ by 36¾ inches

Column
¾-inch MDF capital front and back: two @ 6 by 9½ inches
¾-inch MDF capital sides: two @ 6 by 8 inches
¾-inch MDF upper and lower blocking: three @ 6½ by 6½ inches
¾-inch MDF column front and back: two @ 8 by 62¼ inches*
¾-inch MDF column sides: two @ 6½ by 62¼ inches*

*Measurements are approximate; cut to fit the height of your ceiling.

Face, end, and back frames
¾-inch MDF front and back rails: six @ 1½ by 34½ inches
¾-inch MDF front and back stiles: four @ 1½ by 34½ inches
¾-inch MDF end stiles: two @ ¾ by 34½ inches
¾-inch MDF end rails: four @ 1½ by 11¼ inches

Base
2x8 base sides: two @ 37½ inches
2x8 base ends: two @ 11¼ inches

Finishing trim
¾-by-1¾-inch solid crown cabinet-top trim: two @ 38½ inches*
¾-by-1¾-inch solid crown cabinet-top trim: one @ 16½ inches*
¾-by-1¾-inch solid crown capital trim: four @ 11½ inches*

*Measurements are approximate; cut all pieces to fit.

Baseboard
1x8 baseboard: two @ 38¼ inches*
1x8 baseboard: one @ 15¾ inches*
½-inch quarter-round base cap: two @ 38¼ inches*
½-inch quarter-round base cap: one @ 15¾ inches*
¾-inch quarter-round shoe molding: two @ 38¼ inches*
¾-inch quarter-round shoe molding: one @ 15¾ inches*

*Measurements are approximate; cut all pieces to fit.
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    Tools List

    • 100-foot tape measure
      Tape measure
    • straightedge guide
      Straightedge
    • bar clamp
      Clamps
    • circular saw
      Circular saw
    • caulk gun
      Caulk gun
    • drill
      Drill/driver
    • 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

    Shims

    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