DIY Modular Sofas


Modular couches have a mid-century modern appeal with sleek lines and a square shape. The sofa fits into any style home, including homes with vintage decorations. Modular couches typically feature two or more components, which work together as a sectional. Use the two pieces as separate seating in different spots or combine the pieces to make one sofa for your living room.

Things You'll Need

  • Two 35-by-40-by-1-inch boards
  • Spray adhesive
  • 8-inch foam padding
  • Utility knife
  • Measuring tape
  • Two 35-by-32-by-1-inch boards
  • Fabric
  • Staple gun
  • Staples
  • Eight L-brackets
  • Wood screws
  • Electric screwdriver
  • Eight screw-in couch legs
  • Electric drill
  • Spray adhesive onto a 35-by-40-by-1-inch board. Cover the top of the board with a piece of 8-inch foam padding. Turn the wood over and trim along the edges of the foam, making it sit flush with the edges of the board.

  • Turn the board back over. Measure 8 inches from the back of the board and mark this spot. Insert the edge of the utility knife into the foam and carefully score the foam. Run the knife across the back of the foam. Keep pushing until you reach the board. Remove the back 8 inches of foam from the board.

  • Create the back of the couch from a 35-by-32-by-1-inch board. Spray the board with adhesive and press the foam against the glue. Once the glue dries, cover the foam with more spray adhesive and a layer of fabric. Tuck the fabric under the board and secure it with a staple gun. Repeat this step with the other piece of wood.

  • Turn the back piece sideways and set it on the exposed wood area of the base. Place an L-bracket on the back, and screw it into the wood with wood screws. Make sure you screw the bracket into the back and under the bottom. Space four brackets evenly across the wood.

  • Flip the couch upside down so you can see the bottom. Measure 2 inches in from each corner and mark the spot. Drill holes 1/2 inch deep at the marked spots. Set a screw-in couch leg on the hole, and tighten it until it sits flush with the wood. Follow the same step for each leg.

  • Repeat the previous steps, crafting a second piece. When you use the pieces as a couch, push the two pieces together. The couch pieces have the rectangular shape associated with modular couches.

Tips & Warnings

  • Make multiple pieces for a longer couch.
  • Increase the length of one piece if you want a chaise-style end piece for the couch.

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