This new installation video for the Sink Mount Kit, shows how easy it is to install undermount sinks with granite or other slab countertops. Undermount sink repair. Turn off the water supply to the sink. For sinks with rounded bottoms, a mounting ring elevates the sink and helps with the stability and the seal around the drain. Sink installers use silicone caulk to hold an undermount sink in place, as well as provide a waterproof seal. If you have an old sink available, measure it. Use the right gadgets and equipment to unscrew and detach the sink from beneath the countertop. Therefore, the cut where the top installs is unfinished. Distinctive Features: The edge lip of the sink is mounted below a solid surface countertop, so the sink effectively hangs underneath the counter, as opposed to sitting on top of it; creates a continuous flow from countertop into sink. This is the distance from the visible edge of the countertop to the edge of the sink. Replacing an Undermount Kitchen Sink Step 1: Remove the Existing Undermount Sink. Can i replace an undermount sink in a granite top without breaking the granite. 2. Watch these videos for sure. Mounting rings often come with the sink, or can be purchased in a variety of finishes to match the faucet and drain. Sink Delamination and Failure: When a granite and quartz installer fails to use a mechanical sink attachment like clips, rails, or brackets to secure the sink to the countertop, silicone adhesive is generally the method. For you to replace the kitchen sink, select a new sink (take a look at our best kitchen sinks 2020 reviews and buying guide) that will fit the previous cutout in the countertop. It does not apply to the undermount sinks alone, but it is also similar to the other types of sinks. It will reduce the workload as you won’t have to cut the excess portion of the new undermount sink. This tutorial will help show you how to install an undermount sink in your bathroom easily. However, I do recommend having a granite contractor do the replacement. What is an Undermount Sink? If you are replacing a sink or working with a pre-cut countertop, figure out what sink size you need. An undermount sink does have a rim, but the rim is not visible because it rests up against the bottom of the counter. If you are replacing your undermount sink, you need to remove the already existing sink. An undermount granite sink can add tremendous style and class to a kitchen. When you are sure you have an even lip all the way around your sink. Disconnect plumbing connections using a wrench and unscrew by hand. If you have a small kitchen, of course, the size should be smaller. Whichever type of sink you choose, though, you’ll have a pristine new feature that … Step 2. Yes an undermount sink can easily be converted to a drop in sink. Watch these videos for sure. What are the Benefits of an Undermount Sink? Are undermount kitchen sink drains universal? There are numerous online videos that show how to install undermount sinks and how to hold the sink in place as you tighten the hardware to the epoxied threaded posts. Dry fit the sink and mark the placement. In this video, Ask This Old House plumbing and heating expert Richard Trethewey offers undermount sink support by helping a homeowner reattach an under-the-counter kitchen sink to a granite countertop. Clean the underside of the counter thoroughly with denatured alcohol. When you go to re-install the drainpipe assembly understand the cone-shaped washer that fits inside the hole is what helps create the seal. Measure the length and width of the hole that will hold the sink. But if the kitchen is larger and open, you may opt for a large undermount sink. No matter how the crack happened, there’s no acceptable fix other than to remove and replace the existing sink. 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