Step 3: Cut sink opening

cutting the sink opening
Photo: Keller & Keller
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Lower a jigsaw blade into a front hole and saw along the cut line to back hole. Repeat on the other side.

Lay a scrap of wood a few inches longer than the cutout across the sink area. Screw through the scrap and into the cutout waste to prevent it from falling or binding the saw blade.

Cut along the front and back cut lines. Remove the cut-out piece.

Check the fit of the sink in countertop; trim the hole with the jigsaw, if necessary.

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    Tools List

    • tubing cutter
      Tubing cutter
    • jigsaw
      Jigsaw with laminate-cutting blade
    • drill
      Drill-driver with spade bit
    • ratcheting screwdriver
      Screwdriver
    • adjustable pliers
      Mechanic's pliers
    • adjustable wrench
      Adjustable wrench
    • 16-foot tape measure
      Tape measure
    • hack saw
      Hacksaw,
      for cutting PVC pipe
    • utility knife
      Utility knife or penknife,
      for removing burrs on PVC pipe cuts
    • straightedge guide
      Straightedge,
      for marking sink cutout

    Shopping List

    1. PVC PRIMER AND CEMENT

    2. PLUMBER'S PUTTY

    3. SAFETY GOGGLES

    4. 2-INCH DUCT OR MASKING TAPE

    5. PIPE-JOINT COMPOUND

    for sealing threaded metal joints