Floorboard Tabletop

Floorboard Tabletop

Use Carpenter Amy Devers’ instructions to finish an existing table with leftover floorboards.

5 col

This project adds a new, larger tabletop to an existing repurposed dining table so it can comfortably sit six people.

Repurposed dining room table
1/2-inch Plywood – 80” x 45”
(8) 3” x 10” Tongue and groove floorboards (coded Blue)
(6) 3” x 20” Tongue and groove floorboards (coded Red)
(10) 3” x 40” Tongue and groove floorboards (coded Yellow)
(10) 3” x 60” Tongue and groove floorboards (coded Green)
(2) 1” x 2” wood trim - 80” inside edge with 45-degree mitered corners
(2) 1” x 2” wood trim - 45” inside edge with 45-degree mitered corners
High gloss spray paint – color of your choice
Nail gun with pin nails
Construction adhesive and dispenser
Rubber mallet
Drill with a 3/8-inch drill bit
1/8-inch Combo drill bit
(10) 2-inch wood screws
(4) 1-5/8-inch Hooded Ball Casters with metal socket
Large drop cloth
Tape measure
Small box 1-inch finishing nails
White caulking and dispenser


  1. In a well-ventilated area, place the repurposed dining table on a drop cloth and spray paint it the color of your choice. Also spray paint the wood trim in the same color. Allow the paint to dry and apply a second coat

Attaching the floorboards to the plywood

  1. Apply a thin line of construction adhesive to the underside of a 3” x 40” (Yellow) tongue and groove floorboard. Starting in a corner, press it on top of the plywood so its long groove side is flush with the 80-inch edge and its 3-inch groove side is flush with the 45-inch edge.
  2. Apply construction adhesive to a second 3” x 40” (Yellow) tongue and groove floorboard and slot it into the first floorboard also along the plywood’s 80-inch edge. Tap the side of the floorboard with a rubber mallet to make sure the two ends of floorboard are locked together
  3. With a nail gun, add several pin nails into the side of each wood tongue at a 45-degree angle into the plywood. This will secure the boards to the plywood and the next row of boards will still be able to connect

  1. Continue adding floorboards across the plywood, one row at a time, following Steps 1 to 3. Use the diagram below to see the order in which the floorboards should be added—each color refers to a different sized floorboard in the Materials:

  1. Once all the floorboards are attached, you will see that two sides of the tabletop have the tongue edge of the floorboards overhanging the plywood. Use a handsaw to carefully cut the tongues off

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Attaching the tabletop to the table:

  1. Turn the tabletop over so the floorboards are face down and the plywood is face up. Turn the repurposed table over and center it on the plywood, using a tape measure to make sure the distances on each side are even
  2. Take a drill with a 1/8-inch combo drill bit and drill three holes 1 1/2-inch through the long side of the table and into the plywood. Repeat on the opposite side. On the two short sides, drill two holes
  3. Secure the table to the plywood using 2-inch wood screws.

Adding the casters:

  1. Using a drill with a 3/8-inch drill bit, drill a hole 1 1/2-inch deep into the bottom of each table leg. Hammer a metal socket into each hole, and click in the casters

Adding the trim:

  1. Turn the table right side up. Take the first 80-inch wood trim and run a line of construction adhesive down its length. Hold it so the edge is flush with the top edge of the table. Hammer in 1-inch finishing nails every 5–6 inches to secure it in place. Repeat on all four sides
  2. Use a small amount of caulking in the mitered corners if the trim doesn’t quite fit flush

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