How to Install a New Top Mount Kitchen Sink


The final item to add your kitchen remodel project is the kitchen sink. Don't let a solid countertop scare you. Once you know how to install a top mount kitchen sink, you'll have your project complete. Prior to installation, read over the manufacturer's instructions carefully. Some sinks may require additional hardware.

Things You'll Need

  • Sink
  • Tape measure
  • Pencil
  • 1/2-inch hole saw
  • Drill
  • Jig saw
  • Caulking gun
  • Silicone sealant
  • Utility knife
  • Place the sink upside down on the countertop. The sink should be far enough away from the overhang so that when the hole is cut, the sink fits behind the lower cabinet. Make sure the sink is even across the counter by using a tape measure to measure the distance from the edge of the counter at both ends of the sink.

  • Trace the outline of the sink onto the countertop with a pencil. Lift the sink off of the countertop, and draw another set of lines 3/8 inches inside the tracing. The inside line is the guide you'll use when cutting the hole for the sink.

  • Use a 1/2-inch hole saw and a drill to drill holes close to the inside corners of the guidelines on the countertop. Cut the hole out of the countertop with a jig saw following the guidelines. Have a helper hold the countertop cut out from the bottom of the counter. Lower the cut out piece of countertop, and move it out of the way.

  • Place the kitchen sink inside the new hole, and check the fit. Make any adjustments necessary to the countertop hole at this time. Lift the sink out of the countertop, and set it upside down on the floor.

  • Apply a small bead of silicone sealant around the inside lip of the kitchen sink with a caulking gun. Apply the bead continuously so that you don't miss any spots. Lift the sink up, and place the sink inside the hole in the countertop.

  • Go under the sink, and attach the sink clips to the sink and underside of the cabinet. Be sure to pull the clip ends away from the sink. Tighten the sink clips with a Phillips-head screwdriver.

  • Assemble and attach the faucet and drain hardware per the manufacturer's instructions. Use a utility knife to remove the residual silicone from around the perimeter of the sink where it meets the countertop.

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