Reposition the water-supply pipes, if necessary, by cutting and sweating on new copper pipes. Stubbing Pex out through finished floor; Author: dpm (OR) so replumbing in pex and need help with connecting to fixtures. piping and 1-in. Floors may need to be re-framed or reinforced for new plumbing lines, or for placement of a whirlpool or cast-iron bathtub due to the heavier load. Follow the steps below to remove a bathroom vanity and install a new one. ), you will find yourself groping in the dark, asking yourself what comes next after turning off the valves, or after removing the vanity top. 6. Join This Old House INSIDER to stream over 1,000 episodes commercial-free: https://bit.ly/2GPiYbHPlus, download our FREE app for full-episode streaming to your connected TV, phone or tablet: https://www.thisoldhouse.com/pages/streaming-appFollow This Old House and Ask This Old House:Facebook: http://bit.ly/ThisOldHouseFBTwitter: http://bit.ly/ThisOldHouseTwitterhttp://bit.ly/AskTOHTwitterPinterest: http://bit.ly/ThisOldHousePinterestInstagram: http://bit.ly/ThisOldHouseIGhttp://bit.ly/AskTOHIGFor more on This Old House and Ask This Old House, visit us at: http://bit.ly/ThisOldHouseWebsiteHow to Replace a Bathroom Vanity | This Old Househttps://www.youtube.com/user/thisoldhouse/ Drill small hole for copper line. Most of the difficulties that you will encounter, when it comes to replacing a bathroom vanity, lies in matching your existing plumbing system, after making off the remnants of the old vanity. A wall-mounted vanity would require moving the plumbing hookups for your sink. I think it goes without saying, but if your new vanity and old vanity have different types of plumbings, things will undoubtedly be more complicated for you. You have to be as close to the wall as possible, to remove as much caulking as you can. This article will discuss the difficulty of replacing a bathroom vanity. Working with the flooring will require more work and skill as compared to working with the wall. Now, if you haven’t replaced a bathroom vanity (which I assume that this is you—why else would you consult this article, otherwise? 10. Getting them back in might be a pain, but you always have the option to adapt to pex between the subfloor and the vanity bottom, then you'll have flexible lines coming up through your vanity. 2. If you're replacing the vanity, take the opportunity to replace your plumbing lines. 6. But these holes tend to be on the smaller side, which means that if you plan on changing the design or positioning of your bathroom vanity by as little as a few inches, the opening might not match up with your plumbing. Slice through the old caulk around sink bowl using a utility knife. Mark the measurements on the drawers. It will … Plumbing supply lines for sinks are usually located on the rear wall under the sink or on the side of the cabinet wall under the sink, though sometimes they're routed through the floor directly under the sink in the center of the vanity or cabinet. The hardest comes with the plumbing work and its connection to your house’s plumbing system. jadnashua, Apr 16, 2016 #4. It’s certainly manageable with the right knowledge, and it will be much easier if you take it one step at a time. Replacing your plumbing can cost anywhere from $455 to $2603 or more, depending greatly on the size of the project and how difficult it is. If desired, install a new faucet as per the manufacturer's instructions. New sink installation costs $260 to $683. Cut the Caulk Joints. My powder room has the plumbing through the floor. Then transfer your pipe measurements to the base panel and use a hole saw to cut the holes for the pipes. I am remodeling my bathroom. In addition, if you have to make changes to the plumbing or add bracing in the wall, you'll need to patch in the drywall, finish the seams, and paint the wall. Use a sharp utility knife to cut through any caulk where the vanity top meets … If you're not comfortable moving the plumbing yourself, you may need a plumber for this part of the project. 5. Ask This Old House features some familiar faces from This Old House, including Kevin O'Connor, general contractor Tom Silva, plumbing and heating expert Richard Trethewey, and landscape contractor Roger Cook.Looking for more step by step guidance on how to complete projects around the house? Because of this, it’s not advisable to get vanities with different plumbing systems. 16. I want to replace it, but see that the three pipes for water and drainage come up out of the floor (when you open the vanity doors you see the pipes going up from the floor to the basin)--instead of from the wall. Requires mid-level carpentry and plumbing skillsShopping List for How to Replace a Bathroom Vanity: - new vanity cabinet, top, sink, and faucet- copper pipe and assorted fittings, for making new water-supply lines- lead-free solder, flux and emery paper, used to clean and sweat copper pipe and fittings- plumber's putty, used to form a water-tight seal around sink drain- madison bars, for securing electrical outlet to vanity cabinet- silicone adhesive, for securing the vanity top to the cabinetTools for How to Replace a Bathroom Vanity: - utility knife, used for cutting caulk seal around the old sink- flat prybar, used to lift old sink from the vanity top- adjustable wrench, used to loosen and tighten plumbing connections- drill/driver, used to remove and drive screws- reciprocating saw, used for cutting through the vanity bottom- jig saw, used to cut hole in vanity cabinet for electrical box- tubing cutter, used for cutting copper pipe- propane torch, used to sweat copper pipe and fittings- compass saw, for notching cabinet back to fit around pipe- caulking gun, used to apply silicone adhesiveSteps: 1. Remove any excess putty that squeezes out from under the drain flange.About Ask This Old House TV:Homeowners have a virtual truckload of questions for us on smaller projects, and we're ready to answer. Level the vanity and shim at the floor if necessary. On the sides, go all the way down to the floor as necessary to remove all caulk. Cut your pvc out so that you have about 10 inches sticking out of floor. Rick Experienced home DIY redoers and professional home renovators are at a consensus when it comes to this question. Disconnect the "U"-shaped portion of the waste pipe where it connects to the sink. Add 1 1/2″ around the plumbing to make sure your drawer will be well away from the plumbing. All the vanities I've seen are for plumbing that comes from the wall. Also double brick walls. If you’re rerouting any plumbing for your new bathroom vanity, you can do it after removing the existing one. Modern plumbing codes have changed the ways plumbers run vent lines for your sink, tub, shower and toilet. Your email address will not be published. Once the holes are cut, replace the back panel and put the vanity in position over the top of the pipes. Provide future access panels.While sink plumbing is usually accessible in the cabinet below and toilet plumbing requires only lifting the toilet from the floor flange, it's a different story for bathtub or shower plumbing. Shut off the water to the bathroom. If the drain stack becomes clogged, it will halt the water operation in the entire house. Replace Vanity: All lines come up through the floor ... All of the lines (drain line and supply lines) come from the crawl space below up through the floor into our current vanity. Double sink can be great for families over a subfloor require more work and as..., go all the walls an exterior wall floor ( not wall ) to get pipes... 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