STEP 4 ™ Insert sink into cut-out, check for a proper fit, adjust cut-out if necessary, | ATE x remove sink. Apply a thin bead of silicone based caulking around the perimeter of the sink and set sink at the desired location, clean any excess caulking. KINGSTON CREATION Complete the installation of the faucet and drain, check for leaks around the drain once the caulking has cured.