Cut off the tip of a tube of clear silicone caulk at a 45-degree angle using a utility knife. Apply a bead around the sink opening when you set in the sink and around the drain opening when you set the disposer drain and basket strainer. This is not a low budget choice, but is is available out there. Apply a caulk remover (sold at home centers) to stubborn caulk. Since the dimensions are cut, set the new counter in place and secure. If you use a thinner granite (and use a substrate) you will have to install the sink on top of the substrate and add that dimension to the overall height of the apron. That can be tricky, especially if the caulk has hardened. Our latest shed is also a pavilion—and you can build it, too! Step 1. Having the granite cut and polished on site for a radicaly different shape would be quite expensive, unless you wnt for a drop-in sink, which requires only a rough cut-out. Avoid last-minute shopping trips by having all your materials ready ahead of time. The lip of the sink should overhang the opening, so make sure to account for that when you're measuring the size of the sink. Set the new sink in the countertop hole to verify that it fits. If your new sink has larger dimensions than the current countertop opening, turn the sink upside-down where you want it on the countertop. You’ll have a deep bowl for dishes and a shallow one for the disposer. How to Cut A Counter Top For A New Kitchen Sink. The installer simply needs to build supports in the cabinet underneath the sink, and ensure the sink height matches the height of the top of the counters (minus the countertops). A little water damage is normal and won’t interfere with your new sink. Apply a caulk remover (sold at home centers) to stubborn caulk. But some faucets require only one or two holes, and you may not want enough accessories to use the rest. When you have your new countertops installed the common practice is to install an under mount kitchen sink. Use a kitchen-and-bath 100 percent silicone that requires solvent cleanup—sold at home centers. To avoid these hassles, choose the faucet and accessories first, then buy a sink with a matching number of holes. Cut the countertop with a circular saw, with work on the Edge Guide. Then buy a plastic trap adapter, a transition coupling and a piece of plastic pipe (PVC or ABS) and cement (sold at home centers). âThink of it something like wearing a new outfit with an old pair of shoes. If you’re replacing the sink but keeping the laminate countertop, you’ll have to cut through the caulk. Lie under the sink and tighten the hold-down bolts with a crescent wrench or slot screwdriver. Take the sink out, and use a drill to put holes in the marked spots. Hold the tip along the lip of the new sink. Scrub the area with a mild detergent and water to remove any remaining residue. Most sinks have three holes for the faucet and a fourth for an accessory, such as a sprayer or a soap dispenser. Purchase a stainless steel sink that fits the dimensions of the sink opening in your countertop. 5. Worse, it can damage some plastics, including some of the plastics used to make sinks. The cabinet has an open top and back, so it's easy to set in place and fasten from above. If necessary, modify the countertop opening using a jigsaw, router or tile cutter. If you have ever had such an experience, you must be having an idea of how to install a kitchen sink in a new countertop. The threads are probably corroded and won’t form a tight connection. Install the Faucet and Hose Spray in the New Sink There is no easier time to install the faucet than before the new sink is installed in the countertop. Then cut the caulk. Check for bulges or areas where the laminate has loosened from the particleboard. Then angle a 2×4 between the sink basins and the board. And it makes sense to put in a new sink while youâre at it. Wedge a 2×4 between the sink bottom and the floor of the cabinet to create slight upward force. The countertop would have to be cut, however, that can generally be done for less than $300. For the measurement of the sink, insert the new cover on sawhorses and then put the old countertop above. Trace the outline and create a new cutout with a jigsaw. If the caulk is too hard to cut, use a putty knife like a chisel to cut through the caulk. Undermount sinks install on laminate counter tops differently than on granite or stone. Kitchen pros have the necessary experience to adjust the countertop to fit any sink size. Measure the sink tailpiece between the basket strainer and the tee. Also, you would need to find a new sink, being careful to keep room for the existing faucet. Since you're also replacing the counter, there's no need to worry about finding a sink that will cover your existing sink area. Select the appropriate type of replacement sink. When youâre planning your budget for the new countertop, donât forget to include the cost of the backsplash material and installation. The sink installs flush to the laminate, not below the surface of the counter to prevent water from soaking into the particleboard. To lift the sink, tap in shims as you go. Write these dimensions on a notepad and take this information to your local home improvement center to select your new sink. Replacing a kitchen sink and faucet is a quick way to give your kitchen a new look, but there are potential plumbing and installation problems to watch out for. Slice through the caulk with a utility knife if possible. Turn the sink upside down. Unlike a drop-in sink, thereâs no visible rim, crevice or lip to catch dirt with an undermount sink, making cleaning the counter easier. How Long Do Different Meats Last in the Fridge? She earned a BA in communications from Jacksonville State University. However, you can place an 'under-mount sink' under your laminate top, it just needs to sit atop of your wooded surface.If you plan to laminate the counter yourself, this may be a viable option. Of course if this is something you do not want to waster your time with I can come by and hook-up your sink for you. Seal around the drain opening with silicone caulk instead of plumber’s putty when you set the disposer drain and basket strainer. I've heard of people recutting but it is very messy. In case it is over or undersize, contact a specialist. Assuming that we are replacing an existing sink with an existing cut out in the worktop, you will need to select a kitchen sink that is proportioned appropriately for a straight switch. The faucet may drip for a minute or two, but if the drip continues, the shutoff valves are leaking. If you’re buying new ones, use quarter-turn balltype shutoff valves. 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