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How to Install a Kitchen Sink in a Laminate or Wood Countertop

Learn how to cut a countertop and install a new sink.
Excerpted from Do It Yourself Home Improvement

More in Kitchen

Step-by-Step Instructions:

Most types of sinks and stoves need to be recessed into the countertop, but many kitchen appliances are freestanding and simply slot into gaps beneath the countertop. However, if you have chosen built-in appliances, you may want to choose doors that match your cabinets. For new kitchens, power and water services should be in place, but for renovations some rerouting may be required. If you are unsure about plumbing or any electrical issues, consult an expert.

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Planning and Prep

Depending on design, a kitchen sink may take up the entire top surface of a cabinet, or may be recessed into the countertop. To install a recessed sink, you need to cut a hole in the countertop to accommodate it. Some manufacturers will supply a cutting template with the sink. If not, you can draw your own guidelines. It is advisable to install the faucets and waste to the sink or countertop before the sink is secured in place because access is much easier. The method for connecting faucets is similar to that for a bathroom sink. In this example, a stainless steel sink is being installed into a laminate countertop.

Cut a Recess Hole

Position the sink face-down on the countertop, making sure the space at the front and back is even. Draw a pencil guide line around the sink (Image 1).

Measure the depth of the lip of the sink, then mark a second pencil line at this distance inside the first, all the way around (Image 2).

Use a drill with a flat bit or auger bit to make a hole in each corner of the sink position, inside the inner guide line. Make sure that the drill is at precise right angles to the countertop, so that you make an accurate hole (Image 3).

Cut around the inside guide line with a jigsaw, using the holes as starting points (Image 4). Support the countertop underneath as you cut.

Check that the sink fits well in the hole. Seal the cut edges of the countertop with a preservative primer (Image 5).

Assemble and Insert Sink

Put the faucet into the hole in the sink and secure it on the underside of the sink using the washers and nuts supplied. Install the hoses (Image 1).

Install the waste assembly and connect the overflow section as guided by any supplied instructions (Image 2).

Caulk around the hole in the countertop. This may not be necessary if the manufacturer has supplied a gasket or seal (Image 3).

Install retaining clips around the edge of the sink (Image 4). Position the sink and check whether you have enough room to connect the faucets.

Tighten the retaining clips to the underside of the countertop (Image 5). Wipe away any sealant that may squeeze out from around the sink edges.

Connect faucets and waste as for a bathroom sink. Flexible connectors are the easiest option for faucets (Image 6).

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Excerpted from Do It Yourself Home Improvement

© Dorling Kindersley Limited 2009

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