Building a wooden over-the-sink cutting board is a fantastic project that combines both form and function. Not only does it provide extra counter space for food prep, but it also fits over your sink, making cleanup a breeze. Here’s a step-by-step guide on how to build one:
Materials Needed:
- Wood: Choose a durable hardwood like maple, walnut, or cherry for a sturdy cutting board.
- Wood Glue: For assembling the boards.
- Clamps: To hold pieces in place while the glue dries.
- Saw: A table saw or circular saw for cutting the wood pieces to size.
- Router: For smoothing edges and adding a roundover, if desired.
- Sanding Supplies: Sandpaper (80, 120, and 220 grit).
- Mineral Oil or Cutting Board Oil: For finishing and protecting the wood.
- Measuring Tape and Pencil: To mark your cuts accurately.
Step 1: Plan and Measure
Start by measuring the dimensions of your sink and counter space. The cutting board should fit snugly over the sink, so it’s crucial to measure the width, length, and depth of the sink. Also, consider the overhang on the counter where the cutting board will rest. Typically, a cutting board should have about 1–2 inches of overhang on each side of the sink.
Step 2: Choose Your Wood
Select your hardwood based on the desired look and durability. Maple is a common choice for cutting boards due to its affordability and toughness, but walnut or cherry can add a touch of elegance with their rich colors. Aim for 3/4-inch thick wood boards for a solid, stable surface.
Step 3: Cutting the Wood
Using your measurements from Step 1, cut the wood pieces to the appropriate dimensions. If you’re using several smaller pieces, you’ll need to glue them together to form a solid panel for the board. This process is called edge gluing.
- Edge Gluing: Lay your pieces edge to edge, apply a thin layer of wood glue on the edges, and press them together. Clamp the pieces tightly and allow the glue to dry for several hours or overnight.
If you don’t have a planer, you may need to sand the edges smooth after the glue has dried.
Step 4: Shape the Board
Once the glue has set and the wood is solid, shape the board into the desired dimensions. If you want rounded corners or edges, use a router with a roundover bit or a jigsaw to cut the curves. You can also make the edges slightly beveled for a more polished look.
Step 5: Cut Out the Sink Area
After you’ve shaped the board, it’s time to create the cutout for the sink. This step requires precise measurements, so double-check the size and position of the sink before making the cut.
- Position the Cutting Board: Lay the cutting board over the sink to determine where the cutout will go. Mark the outline of the sink on the board using a pencil.
- Cut the Sink Area: Use a jigsaw or circular saw to carefully cut out the marked area. Go slowly to ensure a clean and accurate cut. You may need to smooth the edges of the cutout with a sander.
Step 6: Sanding and Smoothing
Once your board is cut to size and the sink cutout is done, the next step is sanding.
- Start with an 80-grit sandpaper to smooth out any rough spots, especially around the cutout.
- Move to a 120-grit sandpaper to smooth the surface further.
- Finish with a 220-grit sandpaper for a smooth, professional finish.
Sand the entire surface, edges, and cutout until the wood feels smooth to the touch. Be sure to wipe away any dust using a damp cloth or tack cloth before finishing.
Step 7: Finishing the Board
To protect your cutting board from moisture and stains, apply a food-safe finish. Mineral oil or specialized cutting board oil is a good option.
- Apply the Oil: Pour a generous amount of oil onto the surface of the board and rub it in with a clean cloth or paper towel. Allow the oil to soak in for 15–30 minutes, then wipe off any excess.
- Let it Dry: Let the board sit for at least 24 hours to fully absorb the oil and dry.
You may want to repeat the oiling process several times to build up a protective layer.
Step 8: Test the Fit
Once the board is fully dried and finished, place it over your sink to make sure it fits properly. The board should rest securely on the edge of the sink and counter without tipping over.
Optional Step: Add a Drainage Groove (If Desired)
If you want to take your cutting board to the next level, you can add a small drainage groove around the sink cutout to catch any water or food juices. This is done by using a router with a round bit to carve out a shallow groove around the edge of the sink cutout.
Step 9: Maintain Your Cutting Board
To maintain the board’s finish and longevity, periodically reapply mineral oil to keep the wood hydrated and protected. Also, remember to regularly clean the board with mild soap and warm water, and avoid submerging it in water for long periods.
Final Thoughts
Building an over-the-sink cutting board is a rewarding DIY project that can elevate your kitchen experience. Not only does it add extra workspace, but it’s a functional and custom addition to your home. With a little patience, you can craft a board that will last for years and make food prep more enjoyable.
For more detailed woodworking projects and expert guidance, check out Teds Woodworking Course here.