Write down the length, depth, and width of the sink, … Drive a drywall screw into the cabinet side and into the wall at a stud location, making sure the screw is long enough to extend at least 1 inch into the stud. Replacing the undermount bathroom sink is a great DIY project to save money within a short time. Replacing an undermount sink in the bathroom is just like a low-key thing and we break that thing into following parts so you can easily end up the journey with a satisfying breath! The number of holes in your sink or vanity top can influence the style of bathroom faucets you choose. What should I do if the shut off valves are stuck? Next, put a thin bead of silicon around the lower lip of the sink and set the sink in place. Not every sink has an overflow anymore, and most that do no longer plumb it in this fashion. Installing a new vanity is easiest with a unit that includes a countertop and integrated sink. Though most bathroom sink types look and install differently, they all have the same basic anatomy. Lines also need to be long enough so you won't put stress on the joints. Attach the strip to the cabinet with screws driven through the inside edge of the cabinet face frame and into the edge of the filler strip. Attach thumbscrew to pop-up lever rod while sliding the rod from the ball so they can attach and allow you to screw together. This article has been viewed 205,094 times. Replacement costs depend on the type of sink as well as structural changes needed to accommodate the new fixture. … If you put two pipe threads together, splice them with teflon tape. Shut Off the Water. Replacing and updating an undermount sink is a simple way to add extra style to your kitchen or bath. Having detached the faucet lift rod, use an adjustable wrench to unscrew the slip nut on the bending P-trap pipe under the sink. Last Updated: November 24, 2020 All tip submissions are carefully reviewed before being published. To finish, seal the connections with silicon caulk, fill in any gaps between the sink and the wall, and turn the water supply back on. No, that's nothing to do with the toilet's wax seal, since the sink is causing the same result. This metal or plastic nut will be located either in the wall or the floor. If using the same pipe, cap it off, and use a stopper in your sink. Cut and Install the Filler Strip (Sidewall Installation Only) Cut a filler strip to the overall length and … Refer to the following diagram of the parts and plumbing of a bathroom sink and drain for help while you install. Mark the center of the stud. While installing and replacing a bathroom vanity may seem overwhelming or time-consuming, it doesn't have to be. Place two wood shims between the wood spacer blocks and the wall, driving them together slightly to create a snug fit. Locate the wall studs and mark them a little higher than the … Sometimes it may be easier to install the faucet before the sink, depending on the design of the counter and the fixtures. By using this service, some information may be shared with YouTube. It may not have been installed correctly, and if someone just shoved the nozzle into the snap connector, then that's likely why it came off to begin with. Place a rolled out ring of plumber's putty around the sink opening. Tighten so there's no wiggle, but not so tight that it's difficult to raise and lower. For a few hundred dollars you can make your bathroom look like a million bucks. These are typically installed with caulk or adhesive after the countertop is secured. Draw a … Place a bucket, pan or rags under the work area. Inspect the Side Gap (Sidewall Installation Only), Cut and Install the Filler Strip (Sidewall Installation Only), Fasten to the Sidewall (Sidewall Installation Only), How to Install Door Trim With Uneven Walls, An Introduction to Bathroom Vanity Cabinets and Sinks, How to Install a 4" Centerset Bathroom Faucet in a New Vanity, How to Install Shoe Molding or Quarter-Round Molding, A Chair Rail Gives Your Home a Classic Look. The cabinet has an open top and back, so it's easy to set in place and fasten from above. Undermount sinks are most often caulked into the counters with sealant, but larger ones may also have clips that hold them in place. If necessary, use wood shims slipped under the cabinet to level it. A wall and or ceiling below needs to be opened in order to find and permanently fix the break. Some vanity sets include a separate backsplash piece. An undermount sink really brings out the beauty of a stone or solid-surface bathroom countertop, and undermount bathroom sink installation isn't as complicated or difficult as you might think. Installing a bathroom sink is a challenging project for the DIY plumber, but it can be a satisfying and fulfilling job.I can also saving money in comparison to paying a licensed plumber to install a bathroom sink. References. To ensure a watertight seal, I’m applying a bead of silicone all around the drain pipe. That will create the connection to the venting in the wall. To install the tailpiece, drop it through the sink and screw on the nut from below. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. You might have to pre-drill holes with a diamond carbide tip if you're installing the sink in a granite/stone counter. Locate the large nut that connects the sink to the drain and disconnect it. Add clips to secure the sink if required, then add the faucet by screwing it on clockwise. Cost Factors for Replacing a Bathroom Sink. Measure the height of the vanity cabinet (not including the countertop), and transfer this dimension to the back wall (and sidewall, as applicable). If there is a backsplash, caulk along all joints where the backsplash meets the wall and where it meets the countertop. % of people told us that this article helped them. No, not that I've ever seen. Thanks to all authors for creating a page that has been read 205,094 times. Use heavy towels to support your body if you are reaching into the sink area and under or through the vanity. Let the caulk cure for 24 hours before using the vanity. Make sure you have:[1] X Research source Silicone caulking Plumbers' wrenches, either pipe wrench or slip-joint pliers Basin wrench Set of plumbing sockets Use these in addition to the caulk. They're good when you're away on long trips or vacations and can be used to keep the water in the sink's trap from evaporating. You may have to adjust the seals within the first few weeks of use. 18. To install a drop-in self-rimming sink, first install a laminate countertop or, for a tile countertop, plywood and concrete backerboard. The vanity cabinet is separate from the top. Keep it anyway. If you buy a faucet, sometimes it'll come with the drain and tailpiece for the sink. Most don't even have a manufacturer or model # either. Place the vanity cabinet into position. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Then, roll it into a “snake” about the thickness of a pencil, and form a ring by pressing the ends together. These are for the sink's overflow. How do I install a sink that has an overflow hole? The first step in this easy renovation is to remove the old vanity, which takes less than an hour. This is a normal occurrence. Clean up excess silicone with mineral spirits. For undermount sinks, put a bead of silicone under, have someone hold the sink in place, and install the connecting clips included with the sink. Check the new sink periodically for leaks. Follow these steps to install a bathroom sink. Do I need a new wax seal, and is the water from the sink on the same pipe? To test, turn on the hot and cold water on your sink and make sure no water comes out before proceeding. How to Replace a Bathroom Faucet gives you general steps for installing the new fixtures. We will be showing you how we removed an undermount bathroom sink and replaced it with a brand new sink from start to finish. The tools you'll need include:[1] X Research source Adjustable wrench Basin wrench Bucket Towel Flashlight Measuring tape Plumber’s tape Sponge or scrubber Bathroom cleaner or soap Rag or cloth New fa… Don't splice compression threads with teflon tape. The final step is making the water supply and drain connections. Secure the cabinet to the back wall with two 2-inch drywall screws driven through the mounting strip in the back of the cabinet and into each wall stud in the back wall only. You can also use a new straight piece of pipe, but always check for leaks. No hard bends or kinks. Get the necessary tools for the job. Clear Out the Sink Cabinet. If you want to reuse your existing countertop, makes sure you get a new sink that will fit in the same spot as the old one. To create this article, 14 people, some anonymous, worked to edit and improve it over time. Cut two wood spacer blocks to a width about 1/8 inch short of the distance from the vanity side to the wall. Get daily tips and tricks for making your best home. Although this step is sometimes omitted, it is best to anchor the side of the vanity cabinet to the sidewall, as well as securing the cabinet to the back wall. Give yourself plenty of room to work by clearing everything out of the … If there is a sidewall, you will fasten to that wall after fitting a filler strip, as applicable. Test-fit the filler strip and adjust as necessary. Apply a bead of silicone caulk where the countertop meets the wall. Step 1 As you want to replace the old undermount sink with a new one, it is crucial to measure the new sink so that it will fit into the existing sinkhole. Many bathroom faucet replacement kits include new drains, so take this opportunity to replace the drain pipe. Install any sink clips below the counter, if the sink's installation calls for them. Next, install the drain body and rubber washer through the top of the sink. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. This may involve shaping the filler strip to fit around a baseboard or coved tile piece at the bottom of the cabinet. wikiHow is where trusted research and expert knowledge come together. If so, how is that done? Compared to pedestal and wall-mount sinks, vanities are slightly easier to install … Include your email address to get a message when this question is answered. Confirm that the cabinet is level both side-to-side and front-to-back. For tips on how to install the pop-up or how to make sure your water lines match, keep reading! Then, reconnect the water supply and install the pop-up. Don't use teflon tape if pipes have rubber in them. How to Replace a J-Bend in a Bathroom Sink. Pull it loose. If there is a wide or undesirable gap between cabinet and the sidewall, you can cut a narrow filler strip to fill in the gap, as shown here. Place a small amount of silicone caulk onto the top corners of the cabinet. The first step on how to install a widespread faucet is to remove all items from under the sink. Do not over-tighten the water supply valves. Connect the water supply lines to the faucet, and connect the sink drain to the drain trap and the branch drain, following the manufacturer's instructions. Prep Work. Install the faucet and drain fittings, following the manufacturer's directions. Gather your tools and supplies. Knowing these steps will enable you to securely and safely install a sink in any space that you need to. I don't want to install the pop-up that comes with the faucet set I'm about to install. Attach the P-trap to the new sink drain line. Along with kitchens, bathrooms offer some of the best return on dollars invested in a renovation. Install your faucet according to the manufacturer’s instructions. Use a small profile gauge to "copy" the profile of the baseboard, or create a paper template that matches the profile. You don't come home to a place that smells like a sewer, nor one that's full of methane and ready to explode. Transfer the profile onto the filler strip by tracing it with a pencil. Use a wrench to break free stubborn connections. Install a faucet to the sink that's attached to the new vanity top. Take a small handful of plumber's putty from its container and work it around in your hands until it feels like children's clay (e.g., Play-Doh). In that case, you would need to either call a plumber or get new valves at your local home improvement store to install yourself. Most new sinks come with clips and screws that are used to hold the sink in place. 15. Loosen the nut that secures the sink basket underneath the basin. Turn off the water supply to the sink before you replace the bathroom sink. Installing a Vessel Sink The process of installing a vessel sink may seem daunting at first, but … If a spray nozzle hose that has a snap on connection comes apart, how does it go back together? You want to get lines that will have the appropriate ends for valve end and faucet end. Typically, you pull the collar on the hose end away from the end and release it once the nozzle's snap adapter is fully seated into the hose end. Make sure the space for the faucet matches the location of the sink, using the template to measure before you install anything. Screw the vanity cabinet to wall. Whether you're installing a new sink in a recently constructed home or replacing an old one in a bathroom, you'll have to follow some simple directions to efficiently and effectively mount and position the sink so it's ready to use. If it isn't included, get one before you start. Measure the dimensions of the old bathroom sink with a measuring tape. Bob Formisano is a licensed architect and builder with 30 years of experience in the industry. Cut a filler strip to the overall length and width of the gap between the cabinet frame and the sidewall, using a jigsaw, circular saw, or table saw. For tips on how to install the pop-up or how to make sure your water lines match, keep reading! Turn off the hot and cold water supply lines at the shut-off valves beneath the sink. How do I to secure a bathroom sink from moving with adhesive? 16. What are the two holes/big slots on the top of the drain assembly? Make sure to use 100% silicone and apply a generous bead before dropping the drain into the … By signing up you are agreeing to receive emails according to our privacy policy. Doing so may strip the knobs or break them off. Repeat the process to find a second stud if possible (studs are typically 16 inches center-to-center). Use a level to draw a level line at the marked height. Apply a bit of silicone between the rubber gasket and the bottom of the sink. Use an electronic stud finder to locate at least one wall stud on the wall behind the vanity location. Otherwise, turn the sink upside down on the counter and trace the outline of the rim. We use cookies to make wikiHow great. Is there something I should do? To remove the clips, you can use a putty knife under them and apply pressure until the clips break away. Slide nut to trap the ball in the tailpiece. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/6e\/Install-a-Bathroom-Sink-Step-1-Version-2.jpg\/v4-460px-Install-a-Bathroom-Sink-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/6\/6e\/Install-a-Bathroom-Sink-Step-1-Version-2.jpg\/aid1334048-v4-728px-Install-a-Bathroom-Sink-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"