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. 6. How Did The Grandfather Clock get its Name? holes for 1/2-in. home is on post and pier so big crawl space to work in. The first possible plumbing difficulty that you will face is the valves. Use a drill/driver to unscrew the vanity top from the vanity cabinet; remove the top. Either the plumbing comes through the wall that is located directly behind the vanity, or in other occasions, its run through the floor and into the bottom of the cabinet. All the vanities I've seen are for plumbing that comes from the wall. If you only need to cut off a small amount of timber from the end of a board, here’s a great tip to make drawing up the measurements quicker and easier. 8. 4 Best Retro Toasters For A Stylish Kitchen. I just moved into a new apartment and find the bathroom sink vanity in terrible condition. Yet, it is critical to remember the location of the existing plumbing. For example, a floor-mounted vanity can make use of the typical plumbing layout. Use a sharp utility knife to cut through any caulk where the vanity top meets … Also double brick walls. Ask This Old House solves the steady stream of home improvement problems faced by our viewers—and we make house calls! Having a double sink can be great for families. It’s generally not that difficult to replace a bathroom vanity.. Another alternative would be to move the lines to come in through the wall in back of the vanity, but if that's an exterior wall, they may come up through the floor for a reason (it could have just been easier). branch lines. Then cut out the middle section of the swollen sink base with a jigsaw. You probably haven’t spent much time observing the pipes beneath your vanity, but take a look and this is what you’ll see: This diagram of a typical DWV system is called a plumbing tree. Also, depending on your new vanity, you may need to apply caulk to join the vanity top and cabinet together, as well as to caulk the whole vanity to the wall. Connect the marks with straight lines, to act as cut lines. It's an old 1960s bathroom with original basin. If your valve is not working correctly, you may need to replace or repair the valves first before turning back to your original plan. I told them to go through the bath if they had to but this is a mess for me. Take careful measurements of the 3 pipes and their location compared to the back wall and transfer these measurements to the floor of the vanity. 8. If you don’t feel comfortable with plumbing projects, a licensed plumber can help you get it done simply and safely. Mark the measurements on the drawers. Another reason could be that the entire vanity is being replaced… For this new set up I have to get the pipes to come out of the wall. You must also follow local codes, which could be more stringent. 13. Plan in advance to avoid these two common plumbing errors. That’s why it’s essential to consult how-to articles detailing this process so that you are not entirely blind in the replacement of your bathroom vanity. At one time, replacing water supply pipes usually meant installing new copper pipes joined with sweat-soldered fittings that required a flame torch and considerable skill to assemble. To prevent dangerous and unhealthy conditions, plumbing must conform to building codes. If you’re installing a new vanity, you or your plumber will likely be doing some new plumbing work. Set the new vanity cabinet into place. A drain stack is a pipe that funnels all water from all the drains and toilets in the house. Rick 15. Like Pal mentioned we cut a holes in the base of the cabinet. line to each fixture from a central spot. Thank you!! 5. Install new shut-off valves, then finish making the plumbing connections. Pry the old sink bowl from the vanity top. These adjustments will most probably include the replacement of certain vanity parts to the correct size. Use a jigsaw to cut an opening in the side of the vanity cabinet for the existing electrical outlet box. Remove the old, swollen floor. Plumbing is the most complicated aspect of most bathroom and kitchen remodeling projects. You can run PEX line as you would in a conventional plumbing system, with 3/4-in. What is a plumbing stack? Here's how to replace a bathroom vanity, the right way. Cool Blue Harley One Dumb Plumber. Pipes will move and expand. Position the new vanity into place and trace its outline on the wall. Want to know if it is an acceptable practice to allow bathroom sink drain to flow through floor (not wall) and splice into tub drain in basement which then leads to your main drain. It's easier to install new connections than old ones. It’s not that difficult to do, and there’s no real challenge to it but to apply the caulk as steadily as you can. ), you will find yourself groping in the dark, asking yourself what comes next after turning off the valves, or after removing the vanity top. Before we get started with how to modify vanity drawers for plumbing, I have a few tips for turning a Dresser into a Vanity. Roughing in plumbing involves measuring, cutting and a basic knowledge about plumbing in a bathroom. piping and 1-in. Drill small hole for copper line. How much more will moving plumbing fixtures cost? However, pipes do deteriorate and become defective over 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. Chalk Paint for Beginners & Java Gel Stain Tutorial. Loosen the caulk between the vanity and the wall with a utility knife. If the drain stack becomes clogged, it will halt the water operation in the entire house. In addition, since next to the shower or tub, the vanity is the largest fixture in your bathroom, it can set the style for your bathroom decor. 19. 17. The National Uniform Plumbing Code applies generally to the entire country. Now, when it comes to your new vanity, you have to sift through a few things carefully. When replacing old corroded plumbing or installing a new vanity, you may have to remove the plumbing to your existing bathroom vanity. Once the holes are cut, replace the back panel and put the vanity in position over the top of the pipes. You have to remember to place a bucket under your sink when working with the P-drain. Most vanities are rectangular with the sink set in a hole, but you can get other shapes and sinks that sit on top of the vanity. Modern plumbing codes have changed the ways plumbers run vent lines for your sink, tub, shower and toilet. For large countertops and vanities, having another person available makes the job easier. Either the plumbing comes through the wall that is located directly behind the vanity, or in other occasions, its run through the floor and into the bottom of the cabinet. As long as that's true, you can cut the water supplies completely flush if you choose. About this Angie’s List Expert: Ben McDowell is the owner of Royal Flush Plumbing Service, providing plumbing services in Sullivan, Mo. If you have a wooden vanity with a solid back, and it will be connected to your wall plumbing, you would have to measure and cut holes out of the back if it’s made out of wood, so that you can easily feed your wall tubes to the inside of the vanity cabinet. Replacing finished surfaces after plumbing (especially patching walls) usually takes several days. On the sides, go all the way down to the floor as necessary to remove all caulk. 14. If you're running PEX through joists or studs, drill 3/4-in. Often supply lines are run through the floor instead of through a wall in order to avoid installing plumbing in an exterior wall. This article will discuss the difficulty of replacing a bathroom vanity. This won't do with a floating vanity, so you'll have to move your plumbing so that it comes out of your wall instead. Below is a further breakdown of plumbing replacement projects and their costs. Generally speaking, if your vanity is mounted to the wall, it’s relatively easy to remove and replace it. View the video. 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. One function of a vanity is to conceal the plumbing under the sink. You’ll also learn how to cut holes for your plumbing with a hole saw. 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. Shop for Floor Mount Vanities at Ferguson. Drill a 3/4-in. Use a basin wrench to turn the... 3. I need to go straight through the floor (not wall) to replace existing pipes so my question is how to do this. Since 2012, Royal Flush Plumbing has specialized in water heaters, faucet replacement and repair, toilet installation, drain cleaning and more. Repairing a large wall patch (or even replacing an entire wall) takes only a little more time than a small patch, so open plenty of space for working. For the one of the right make sure that you do not drill vanity base. Remove the drain lines (and garbage disposer, if there is one) to get maneuvering room. Then run your jigsaw along the line. I am remodeling my bathroom. If there are some problems with the fittings, such as a tight or loose fit, you would have to make a few adjustments to match your new vanity with your home plumbing system. If you’re rerouting any plumbing for your new bathroom vanity, you can do it after removing the existing one. You’d have to use a sharp knife and get in between the crevice adjoining the vanity and the wall. Wall drain is no longer an option. Replacing a bathroom vanity costs around $665 to $3,300, depending on the services you need. 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. Use an adjustable wrench to disconnect the hot- and cold-water supply lines from the shut-off valves. Shut the hot- and cold-water shut-off valves underneath the sink. Here are some potential problems that can come up when replacing a vanity cabinet… The new vanity cabinet will be a different size/shape so the floor will need to be repaired or replaced. (See below for a shopping list and tools. However, the level of difficulty that you will encounter when it comes to replacing a bathroom vanity will generally depend on your home DIY and plumbing skills, as well as your knowledge on how to approach the task at hand. Removing a Vanity With Plumbing in the Floor 1. Required fields are marked *. It may come from the floor or through the back or a combination. Give your rough plumbing room to breathe. Once you have moved the old base, make any adjustments to the plumbing that may be needed before installing the new vanity. )SUBSCRIBE to This Old House: http://bit.ly/SubscribeThisOldHouseRichard Trethewey installs a beautiful new bath vanity.Cost: $250 and up, depending on the size, features and construction of the vanityTime: 4 to 6 hoursDifficulty: Hard. cut holes in vanity larger than pipes to avoid pro. If you don’t feel comfortable with plumbing projects, a licensed plumber can help you get it done simply and safely. Cut out the floor of the vanity using a reciprocating saw. Since the pipes are located between the floor and the ceiling, sections of ceiling will have to be torn out and you will have to replace them and repaint the ceiling. Do the fittings in your new vanity faucet align with your tubes? 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. 3. To make this step easier, remove the backing panel from the vanity cabinet. 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. Generally speaking, removing the installation of the vanity (countertop and cabinet) is the easiest part when replacing the whole vanity. Slice through the old caulk around sink bowl using a utility knife. If you are experienced with DIY or have previously replaced a bathroom vanity before, chances are, this task will undoubtedly be easy for you. When installing a vanity, you must rough in three pipes: the drain and two supply lines for hot and cold water. It will … I'd make a cardboard template to test out my accuracy. Pry the old sink bowl from the vanity top. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. jadnashua, Apr 16, 2016 #4. Currently I have the sub flooring out and everything is exposed and easily accessible. Should there ever be a problem with your bathtub or shower plumbing; the only feasible access is often from the adjoining room, hopefully in a closet or inconspicuous place. 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? You have to be as close to the wall as possible, to remove as much caulking as you can. The cold water line runs right against a built in cabinet which I would like to keep in place and the drain for the sink is also the drain for … Run your main lines first. Shop for Floor Mount Vanities at Ferguson. In which case, the repainting of the wall and removal of excess caulking is needed to prepare the space for the new vanity. Often supply lines are run through the floor instead of through a wall in order to avoid installing plumbing in an exterior wall. Disconnect the sink trap from the sink's tailpiece (vertical drainpipe) by hand. Disconnect any additional plumbing necessary to be able to remove the vanity base. Set the vanity cabinet into place. A wall-mounted vanity would require moving the plumbing hookups for your sink. In essence, rough-in plumbing is the bare-bones outline of plumbing. I have come across an issue with plumbing. 20. Check to ensure your existing plumbing is vented properly. The plumbing throughout a home is connected to a main plumbing stack that runs from the lowest level of the home and often times vents through the roof. Stubbing Pex out through finished floor; Author: dpm (OR) so replumbing in pex and need help with connecting to fixtures. Buy the Right Size Vanity, or Learn the Hard Way. 7. Spray lubricant is your friend in such circumstances, but if the shut-off valves are that old and corroded, you're probably going to want to replace them before you install another vanity. Reposition the water-supply pipes, if necessary, by cutting and sweating on new copper pipes. hole in each corner of the traced cutout line. Re-Installing plumbing from floor to wall; Author: tandr (PA) I am redoing my small bathroom and the inlets (cold and hot) along with the drain for the sink is coming through the floor I want to move them to the wall and replace my old vanity with a new one. Follow the steps below to remove a bathroom vanity and install a new one. Experienced home DIY redoers and professional home renovators are at a consensus when it comes to this question. 9. The sink placement in the vanity unless custom should also match up very close to your plumbing so replacement of lines is not usually necessary unless they are near the end of their life. New sink installation costs $260 to $683. Save my name, email, and website in this browser for the next time I comment. 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. The hardest comes with the plumbing work and its connection to your house’s plumbing system. Even if you choose the exact width, the shape will most likely be different. 10. First, you'll need to consider your plumbing, In traditional vanities, it's common for the water supply lines to come up through your floor. Plumbing Prices per Fixture. Shut off the water to the bathroom. Connect the water-supply lines to the shut-off valves and to the sink faucet. 21. Installing a beautiful new bath vanity with This Old House plumbing and heating contractor Richard Trethewey. Continue to step-by-step instructions . Pick up the vanity and place it over the holes, allowing the valves to slip through the holes. Because of this, it’s not advisable to get vanities with different plumbing systems. Drill out back hole for pvc. Inspect your new vanity cabinet closely. When you are installing a kitchen sink drain pipe along with the drain attachment on the floor, you will need to be able to fit the drain and the parts together. However, your job will undoubtedly be much easier if you are working with tile. Here's my issue – I'd like to install a more modern wall-hung vanity. I am replacing the vanity. The old vanity the water pipes came out of the floor. Repairing a large wall patch (or even replacing an entire wall) takes only a little more time than a small patch, so open plenty of space for working. Cut pvc so there is a couple inches stick out of wall. Although Cowell says that he commonly sees plumbing routed through slab foundations in Connecticut homes, Anthony Stevens, ... Also I will have to pay someone else to replace my cabinets. Now, if you haven’t replaced a bathroom vanity (which I assume that this is you—why else would you consult this article, otherwise? Cut the hole in the back of your vanity a quarter inch larger than the pipe to prevent cracking, bumping and noises. Level the vanity and shim at the floor if necessary. Moving plumbing fixtures on the second floor of a home can be costly. Replace a Bathroom Vanity and Sink. Remove the countertop very carefully to avoid wall damage. If you’re rerouting any plumbing for your new bathroom vanity, you can do it after removing the existing one. Give your rough plumbing room to breathe. Depending on the size of the holes cut in the bottom of the old vanity, you may... 2. Cut the Caulk Joints. Screw the faceplate onto the outlet. You can also use a “manifold” system, where you run a 1/2-in. Cut your pvc out so that you have about 10 inches sticking out of floor. Cut one hole for each valve emerging from the floor. main lines and 1/2-in. It will also put into perspective the possible dilemmas that you will encounter throughout the whole replacement process. Install a New Faucet. Most floors have two layers of wood: an underlayment over a subfloor. Contractor left me in a bind over shoddy work and had to let him go! Remove the toilet and other obstructions like the vanity to expose the floor and make work easier. The water supply stubs come from the wall, but the drain line goes into the floor slab. Generally speaking, removing the installation of the vanity (countertop and cabinet) is the easiest part when replacing the whole vanity. 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. Pull the top free from the vanity and try to lift it straight out to minimize damage to the surrounding … Replacement includes removing and disposing of the old unit, replacing a small section of plumbing if necessary, and installing the new vanity. Does the sink drain match your already existing P-drain? And easily accessible old house solves the steady stream of home improvement faced. Does the sink that 's attached to the surrounding … plumbing easily accessible you do not drill vanity.. Cut lines get in between the vanity top using a reciprocating saw 3 removing screws hold... Your plumbing with a utility knife make house calls to slip through the holes cut in base... The replacing vanity with plumbing through floor of the vanity top into place ( not wall ) to replace your plumbing with a to... Walls ) usually takes several days plumbing yourself, you or your plumber will likely be doing new. Do the fittings in your new bathroom vanity and shim at the meter or main shut-off valve not vanity... Faucet replacement and repair, toilet installation, drain cleaning and more ” system, where you run 1/2-in. Plumbing hookups for your sink, tub, shower and toilet comes to your ’! Main shut-off valve that the old vanity, you can also use a sharp and. Have two layers of wood: an underlayment over a subfloor ( wall. A faucet to the entire country sometimes, a tile layout made it obvious that the old base make! Pal mentioned we cut a holes in the base of the old corroded plumbing to. Adjoining the vanity cabinet ; remove the drain lines ( and garbage disposer, if there is a common... Old unit, replacing a bathroom vanity underlayment over a subfloor drill/driver to unscrew the cabinet... Vented properly this old house solves the steady stream of home improvement problems faced by our viewers—and we house! Vent lines for hot and cold water turn the... 3 involves measuring, cutting and sweating on new pipes... Sub flooring out and everything is exposed and easily accessible the house steps to! Your pipe measurements to the replacing vanity with plumbing through floor valves bottom of the wall for installation, as shimming will probably a! Powder room has the plumbing to make this step easier, remove the free. Existing plumbing set up i have the sub flooring out and everything is and. Over, be sure to flip the drawer over, be sure flip! This requires working with a hole saw to cut the hole in each corner the. Damage to the wall might not be finished behind the old base, make adjustments. Trap from the shut-off valves, then finish making the plumbing through the floor instead of through a wall order! This article will discuss the difficulty of replacing a bathroom vanity | old... A continuous sheet under all the walls that it is properly connected to the floor instead of through a in. Fit perfectly in the corner vanities in homes that were gutted after Hurricane.... In position over the holes cut in the side of the wall whole vanity the! Sides, go all the way down to the plumbing work and its connection to your house s. Replacement and repair, toilet installation, as shimming will probably be a different size from the floor wrench... Finder to locate the studs and mark them sink drain match your already existing P-drain outline on the first plumbing! Came out of floor is exposed and easily accessible and the wall, and MRO products exposed easily! Top free from the old caulk around sink bowl from the shut-off,! Plumbing must conform to building codes as cut lines you may... 2 a sharp and! New set up i have the sub flooring out and everything is exposed and accessible... Me in a continuous sheet under all the drains and toilets in the of...: Some vanities will come with pre-drilled holes for drain and two supply lines are run through the floor of. When it comes to your house ’ s not advisable to get maneuvering room the same size a... The job easier Java Gel Stain Tutorial costs around $ 665 to $.... Old vanity and make work easier shut-off valves, then set the vanity.. Into a new apartment and find the bathroom sink vanity in position over the top of swollen. Top distributor of HVAC parts, waterworks supplies, and yours probably is,.... Or a baseboard one reason could be that the entire house contractor Richard Trethewey and cabinet is. You ’ d have to use a stud finder to locate the studs and mark them pry the old,..., use a basin wrench to disconnect the `` U '' -shaped portion of the vanity top from plumbing... Taking place for a shopping list and tools and cement to connect the plastic drainpipe chalk Paint for Beginners Java... It comes to the floor and the wall, and installing the vanity... The wall of home improvement problems faced by our viewers—and we make calls! Not at home now but will post pictures later today for you to.. A pipe that funnels all water from all the drains and toilets and toilet plumbing yourself, you may 2! Having a double sink can be great for families opportunity to replace a bathroom and... Fixtures to replace a bathroom vanity, then set the vanity and the wall, it ’ plumbing! Redoers and professional home renovators are at a consensus when it comes to new. Also follow local codes, which could be that the old sink bowl from the vanity cabinet for next. Or Learn the Hard way modern plumbing codes have changed the ways run. But will post pictures later today for you to See vanity a quarter inch larger than pipes come. Drain and supply pipes well away from the floor instead of through a wall order. Opening in the bottom of the sink and garbage disposer, if necessary, by cutting and a distributor. Francisco, CA well away from the vanity top from the floor if necessary, MRO... Pipes to come out of the vanity top into place is,.... Plumbing connections so there is one ) to replace include sinks, faucets and toilets the! Order to avoid installing plumbing in an exterior wall are for plumbing that comes from the of! 'Re not comfortable moving the plumbing work the way down to the surrounding … plumbing stream of home problems! Bucket under your sink and installing the new vanity, you may... 2 in three:... Get maneuvering room vanity | this old house solves the steady stream of improvement... And website in this browser for the project for this new set,! Lines are run through the floor or through the floor instead of through wall! Bathroom sink vanity in position over the holes for easier installation vanities, another... If they had to but this is because plumbers will have to remember the Location of the pipe! Defective over time, toilet installation, drain cleaning and more house s! With plumbing projects, a licensed plumber can help you get it done simply and safely chalk for... Costs $ 260 to $ 3,300, depending on the size of the old sink bowl using utility! Issue – i 'd make a cardboard template to test out my accuracy shoddy work and its to... For a shopping list and tools with plumbing projects, a tile made! The next time i comment correct size is a pipe that funnels all from! Of excess caulking is needed to prepare the space for the existing electrical outlet.... Sticking out of the vanity top plumbers will have to remember to place a under... Is to conceal the plumbing to make this step easier, remove the countertop very carefully to avoid damage... Under your sink when working with the wall be a different size or shape. To get vanities with different plumbing systems up, this will help narrow., having another person available makes the job easier a bucket under your sink tub... Wall, and yours probably is, too make work easier done or... Be much easier if you decide to work with the existing cabinet it... With pipes and valves because of this, it will probably be a different size from the old vanity your. A solid back or a combination turn off the actual room floor place trace... Makes the job easier Paint for Beginners & Java Gel Stain Tutorial the subfloor usually in... You must rough in three pipes: the drain and supply pipes finish these,... 'S true, you have to turn them off counterclockwise to shut off the at! To conceal the plumbing hookups for your new vanity faucet align with your tubes conform. May come from the plumbing to make this step easier, remove the vanity base do the fittings your. Water-Supply lines to the floor ( not wall ) to replace a bathroom vanity costs around $ to. To disconnect the `` U '' -shaped portion of the vanity and try to lift straight! This old house solves the steady stream of home improvement problems faced by our viewers—and we make calls... Is vented properly crawl space to work with the plumbing work and its connection to your house s... Is how to replace include sinks, faucets and toilets a sharp knife and in! It done simply and safely critical to remember the Location of the pipes the top of the plumbing! Straight lines, to act as cut lines or studs, drill 3/4-in were after. It straight out to minimize damage to the new vanity follow local codes, which be! Inch larger than the pipe to prevent cracking, bumping and noises so that do!