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Ready to install your drop-in sink? Considered one of the easiest types of kitchen sink installation, follow these quick, simple steps to complete a stunning drop-in sink setup. Before starting, be sure to read the entire installation instructions and observe all local building and safety codes.
Note: The countertop should be pre-cut to the dimensions of the sink prior to installation. We recommend consulting a professional if you are unfamiliar with this type of project.
Tools & Materials
Damp Cloth
Silicone Sealant (for copper sinks, use a neutral cure silicone sealant)
Level
Lower the sink into the sink cutout on the counter to confirm that the sink will fit properly. The perimeter of the sink rim should connect with the counter while the sink bowl should fit completely inside the counter.
Tip: For easier installation, install the drain and faucet before attaching the sink to the counter.
Remove the sink and run a bead of silicone sealant around the sink cutout to seal the rim against moisture and leaks.
Carefully lower the sink back into the cutout and press the sink firmly into the sealant. Make sure that the sink is level and properly aligned.
With the sink in place, tighten the mounting clips (if included) on the underside of the sink.
Wipe away any excess sealant around the rim of the sink with a damp cloth. Allow the silicone to dry for at least 24 hours.
Typically, a drop-in sink can be replaced without replacing the counter. The closer in size to your previous sink, the better chance you have of a seamless replacement. If your new drop-in sink is bigger, confirm your measurements, and if anything, you may have to make the sink cutout larger. If the new sink is smaller, it will likely fall through your current sink cutout.
If your drop-in sink doesn’t come with mounting clips, the silicone and plumbing should be enough for a secure fit, with mounting clips provided simply for extra support.
Yes, you can. Replacing an undermount sink with a drop-in sink is quite easy. Permitted the sinks share similar measurements, generally you just need to drop the new sink in and seal it with silicone.
Since drop-in sinks sit on top of the counter with plenty of support, silicone sealant is enough to hold this sink style. You can always be sure by checking your specific sink’s manufacturer’s guide.