Tack it down, apply some contact paper that matches the cabinet and you have a quick and dirty solution. ceramic-tile hole saw (from about $10 for individual bits to about $50 for kits). Screwed vanity to wall (2 screws ). 10. Cut pipe holes with the correct size hole saw. Take the piece of the backing that you cut out and mark where the drain pipe would come through. Give your rough plumbing room to breathe. Locate threaded fittings on both valves emerging from the bottom of the faucet and the valves coming up through the floor. Hammer 8. If you need to cut a shallow, straight-backed drawer, the circular saw will work fine across the job. Repeat to cut additional drain holes as needed. I normally cut holes for the supply lines and waste lines with various hole saws. 2. cut the pipes off at a point where they will be a couple inches ABOVE the floor of the new vanity, 3. cut holes in the new vanity floor where the lines come up, 4. drop in your new vanity, 5. put valves on those pipes, then 6. add your flexible lines to the faucet. Wrap all the threads with three wraps of thread-seal tape. The ring has holes so you can screw the flange to the floor, and it also has two slots for the toilet bolts. Thanks for the compliments guys! Screw one end onto the valve on the floor and the other end onto the end of the faucet. Step 3: Position and Level the Vanity Position the vanity so that the holes on the back side fit over the pipes in the wall. The 42 in. Shut off the water to the bathroom. Cut away a 10-inch by 2-foot section of flooring. If necessary, use a handsaw to notch the cabinet back to fit around the drainpipe. It doesn't matter which end of the waterline you use. The bendable lines are also easier to hook up and less likely to kink. W Rosedale vanity in a Taupe Gray The 42 in. It's common for plumbers to create large, rough-cut holes for water and rain pipes and to leave them unfilled. Tighten them with your fingers, and then finish tightening them with a 1/2-inch wrench to finish. 12. Take off valves off copper lines so that you do not have to make huge holes for them. The lip stick trick works well but don't steal your wife's until you've seen how expensive it is!! Left it to set for a few hours. Table Saw 7. The two water supply lines are also run through this same hole from the water supply pipes … The water lines don't have much play as far as length to the faucet connect so I don't need to pack much into the holes … People, I just want to say, you know, can we all get along? It has carbide grit embedded in the rim that allows it to cut … Install the top and install the faucets last. Drill a pilot hole through and hole saw from the inside. He said it was the only way to get the pipe to the second floor, (even though there is non support wall that is about a foot from where he placed the pipe. I also knew the picture would get quite a bit of input regarding code compliance in different  areas of the States. They will be raised up off the floor at least 4 inches or more, due to the fact that the bottom shelf of the vanity is typically located 3 inches from the floor, meaning that the water valve will penetrate up from the floor, and up through the bottom shelf of the vanity. Because it's pex, the lines are a little wobbly thru the larger holes but I can figure out something to give it a bit of support. When installing cabinets with water lines my method has been to back up the cabinet to the lines when practical and mark them. Cut it half, then carve cut or whatever on each half so that you can sort of put it on the wall and slide it around the pipes, since you aren't wanting to … Use cardboard or 2mm backer. Set the vanity cabinet into place. Use a stud finder to locate and mark the studs within this outline of the vanity. Patch drywall, paint, great success. If you skip this part and just start cutting out for the plumbing pipes, the holes will be off when you level the cabinet. So I'm replacing my master vanity and while getting ready to take it out yesterday I noticed that the current water supply pipes come through the floor of the vanity!? For a 3-inch pipe, use a drill and reciprocating saw to cut a hole about 4-1/4 inches by 10 inches through both the bottom plate of the room you are working in and the top plate of the room below. Cut one hole for each valve emerging from the floor. How to Install Drain Lines Through the Floor, How to Install a Freestanding Antique Vanity, How to Install a Bathroom Vanity Fixture With No Wall Stud, How to Install a Bath Vanity Against a Baseboard, Removing a Vanity With Plumbing in the Floor. My plumber installed a new drain pipe and he cut thru the top plate of the wall. Cut to the same size and location as the cabinet and then put some chalk or pencil on the ends of the pipes. Other times they have to be measured and drawn. Kreg Jig 5. Good one Peter i forgot about this one,this is much quicker than any template and does work. "The Code is not a ceiling to reach but a floor to work up from", [quote author=Holzhacker link=topic=42919.msg421884#msg421884 date=1444576767. Drill a Pilot Hole Drill a pilot hole in the back of the cabinet corresponding to the center of one drain hole. Cut Subtop. Most of my living is made installing kitchen cabinets and bathroom vanities. To reduce the risk of serious injury and/or damage to your Festool product, always read, understand and follow all warnings and instructions in your Festool product's Instruction Manual. If the vanity cabinet has no bottom shelf -- very unlikely -- the vanity and waterlines can be installed at this point. Cut your pvc out so that you have about 10 inches sticking out of floor. Ok I have to say that the holes and install in the pic is so unbelievably neat, clean and nice I'm not sure I could pull it off. If there are pipes that go through the floor, you'll have to cut slots to allow you to slide in the board around them. Locate the water valves emerging from the floor. 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. You may not need all of the tools on this list. Use a drill with a hole saw attachment to cut an appropriate hole for the drain pipe; cut from the inside of the cabinet. © Copyright 2020 Hearst Communications, Inc. Split tiles look pretty shabby, especially since cutting a hole in tile is neither difficult nor expensive. Used silicone on the top of vanity and set counter down leaving some overlap. If the supply lines will be installed through the floor, drill two 1-inch holes in the floor about 5 inches on either side of the drain. Although Festool strives for accuracy in the website material, the website may contain inaccuracies. Shaddy began publishing in various magazines in 1992, and published a novel, “Dark Canyon,” in 2008. Reposition the water-supply pipes, if necessary, by cutting and sweating on new copper pipes. I don't understand!?! I mostly do just the same as you but if i need a high degree of accuracy a template is the way to go.I find the quickest onsite template is a piece of Gyprock (drywall or sheet rock in the US i think). Start by measuring the location of the pipes on the wall both vertically (measuring up from the floor) and horizontally (measuring from a corner or a mark on the wall at the end of the cabinet). Check to see if the ends have a small nylon bushing inside of them. It might remain that way for weeks or months as the bathroom construction continues around it. Put the board against it and then cut to fit. Level 10. Set the vanity. If there are different length pipes then cut the most extruding first then fit again until the whole board goes against the wall. This is an exterior weight bearing wall. If making a U-shaped cutout a Circular Saw will make the quickest and cleanest cuts on the back side of the drawer. I don't think the lip stick idea is fool proof. Image zoom. Besides avoiding noisy plumbing, you want to leave room for installation, as … It cuts nice and doesn't tear up the cabinet back, many which are very thin material. Vanity waterlines are basic. For the one of the right make sure that you do not drill vanity base. Cut holes in the vanity to exactly match the pipes and drop the vanity down over the pipe, no sink installed at this point. It should. Cut one hole for each valve emerging from the floor. Depending on the size of the holes cut in the bottom of the old … I always take the back of the sink unit out when fitting units and install afterward, with cut outs to access isolation valves etc. PS I know it's code in Illinois, a frivolous one at best. Best way to accurately cut plumbing holes in back of vanity. However, if the vanity is typical and has a bottom shelf, it must be drilled before the waterlines can be installed. Drill out back hole for pvc. Put it against the cabinet back and drill/cut away! That would also explain the reason the plumbing looks lower than normal, but I was working up to that part! Both ends of both lines have a 1/2-inch fitting. I keep cutting it,and it's still too short! All single hole vessel sink faucets are fixed to the countertop from underneath, either by using a locknut or a mounting bracket with screws that tighten it to the countertop, effectively pulling the faucet down to hold it. When the lines are installed in the floor or wall, a necessary valve or faucet is always installed to cap off the pipes, so that water can be turned off to the vanity while the remainder of the house has water. 11. Some saws can be used to make multiple style cuts, depending upon the skill of the user. The measurement is not critical because the pipes will bend into any shape to accommodate slack. Re: spray foam insulation to cover holes under vanity Get ya something like paneling, or some stiff thin plastic or something. To prevent splintering on the inside of the cabinet, drill a pilot hole and then use the hole saw from the finished side of the vanity. The bathroom is now ready for the installation of pipes and fittings. It isn't their job to worry about appearances, and nowhere is this more apparent than under a sink. Even city to city can vary in code regs. If the supply lines will be installed in the wall, drill two 1-inch holes in the wall about 5 inches away from the drain hole. Vanity waterlines typically emerge from the wall. Rough plumbing emerges from the wall or floor where it is capped off. When Putting a New Floor in a Bathroom Should You Replace the Vanity First? I cut 1 1/2" holes in the vanity base to fit over the valves. Plumbers aren't finish carpenters or painters. Ah! A dishwasher being hooked to a disposal is a non issue. Measure the top of the cabinet and cut a subtop out of plywood to replace the original top. Festool USA does not pre-approve the contents of this website nor endorse the application or use of any Festool product in any way other than in the manner described in the Festool Instruction Manual. plumbing is more important to be able to access than what the back of sink unit looks like you can always box pipe work in afterwards, but destroying a unit to get to a leaking tap is no fun. Find them or purchase new bushings and put them in the fittings. To install one, you need to make a hole in the floor so you can pass the flange pipe through to glue it to the waste line. Don't forget a nice sexy escutcheon for the trap adapter. Vanity cabinets are typically 30 inches tall, so if your vanity cabinet is not yet in place, measure from the top of the valve to a point 30 inches from the floor to approximate where the fixtures will be placed. Your use of any material contained on this website is entirely at your own risk. Try this and you will laugh, but later thank me. Pencil or Marker 11. W vanity comes standard with both soft close doors and drawers while offering an abundance of storage. I think it is ok that way. Use a jigsaw to cut an opening in the side of the vanity … Save the u-shaped pieces you cut out and drop them in behind the pipes. Tin Snips I've installed an uncountable amount of sink bases and vanities, a couple measurements and some marks on the back of the cabinet. Weird, never seen that before, they're about 5 - 6 inches in from the (exterior) wall. W Rosedale vanity in a Taupe Gray finish with Cultured Marble Vanity Top in White is a stunning piece that will enhance your home with style and charm. The bottom plate is cut as well. Pipes will move and expand. Add 6 inches to the measurement to be sure. (The header has been resupported, a smaller window was framed into the space). When the sink is installed on the vanity, the waterlines from the floor valves are installed and the water is turned on. It should be either shimmed or cut to fit the contour of the floor. Then you can finish up the cuts on the bottom of the drawer with a jigsaw. I'd make a cardboard template to test out my accuracy. The content contained on this site is provided for informational purposes only and does not constitute professional advice. Power Drill 6. Put the two pieces in the opening of the back around the pipe. If you're remodeling, adding a bathroom or planning on it, waterlines and fixtures must also be taken into consideration. Measure and cut holes through the bottom shelf using a 1-1/4-inch spade bit and drill/driver. The easiest and neatest method is to buy a 1-1/4 in. Might work in your case. Cut pvc so there is a couple inches stick out of wall. Some people don’t like the fact that the hole on the countertop, where the bowls are placed, is bigger than the hole on the bottom of the bowl. Unless you have a custom vanity or a unique model, the diameter is probably going to be 1.5 inches (3.8 cm). Install the vanity normally by placing screws through the base, and through the back and sides if necessary. After many years these are usually quite accurate but it can be time consuming. 0 Members and 1 Guest are viewing this topic. How to Install a 36-by-48-Inch Bathroom Cabinet, How to Install European Frameless Cabinets. Wall locations are convenient because waterlines can be tapped from both sides of the wall, meaning that vanity cabinets or toilets can then be placed back-to-back on opposite sides of the wall in different rooms. If the drain line on a dishwasher plugs, no matter where in the drain system, the dishwasher will not empty or be full of water. Determine which is the hot and which is the cold water valves. The best choices are lines that can flex and bend to fit around plumbing if needed. Transfer these measurements to the back of the vanity and cut the opening using either a drill or a saber saw. Most of the vanities I install have solid backs. Choose one of the flexible waterlines according to hot or cold. There are different types including copper, rubber, metal, vinyl or plastic. Actually you must have a plan for installing all of the base cabinets in relation to the condition of the floors before you start drilling for the pipes. It consists of a short length of 3- or 4-inch waste pipe connected to a metal or plastic ring. Installing waterlines to the sink vanity is one of the final steps. Any home supply store has hot and cold lines available in graduating lengths. Make hole for the pipe, then cut into through the center of the hole. Drill 4. This is due, in part, to locations of waterlines inside walls. Measure the diameter of the opening at the bottom of the drain pipe to determine the size of the pipes that you need to get for your sink. Before setting vanity make some provisions for attaching the two pieces of the cut out. Very nice work. Cut to the same size and location as the cabinet and then put some chalk or pencil on the ends of the pipes. If not, they probably fell out. 1. Holes in the cabinets and under sink plumbing have to be neat!! Festool and its affiliates cannot be responsible for improper postings or your reliance on the website's material. As already pointed out there is a back flow valve in the dishwasher drain line. It is a pet peeve of mine! If your new vanity has a solid back, measure out the position of the pipes on the wall and translate those measurements to the back of the vanity. Can't go wrong, the accuracy is based on your level line on the wall, made even easier when there is another cabinet in the same run already set to measure off of. Drill small hole for copper line. Miter Saw 3. ***********************************************************************, Re: Best way to accurately cut plumbing holes in back of vanity, Quote from: Peter Halle on October 09, 2015, 07:20 PM, Quote from: overanalyze on October 10, 2015, 09:01 AM, Quote from: cblanton42 on October 10, 2015, 07:56 PM, Quote from: Holzhacker on October 10, 2015, 09:31 PM, Quote from: mastercabman on October 10, 2015, 09:56 PM, Quote from: Brice Burrell on October 10, 2015, 09:58 PM, Quote from: Holmz on October 10, 2015, 10:45 PM. Measure and cut holes through the bottom shelf using a 1-1/4-inch spade bit and drill/driver. Pick up the vanity and place it over the holes, allowing the valves to slip through the holes. Measuring Tape 9. The waterlines will be clearly marked; the cold-water line will have blue markings, the hot line will have red. Cut the hole in the back of your vanity a quarter inch larger than the pipe to prevent cracking, bumping and noises. Specializing in hardwood furniture, trim carpentry, cabinets, home improvement and architectural millwork, Wade Shaddy has worked in homebuilding since 1972. You've already cut into sheetrock for your water lines, keep going and remove a nice big 2x2 square to give yourself room to work and make it easier to patch, cut out your tee, glue 4 more inches of pipe on top of cut out and put a new tee on top of that. If I don't use a hole saw, then it's my Porter cable jig saw with a scrolling blade with 18 tpi. Shaddy has also worked as a newspaper reporter and writer, and as a contributing writer for Bicycling Magazine. Typically the water lines for the hot and cold water and the drain pipe all come through the wall into the back of the vanity and a hole needs to be cut in the back of the dresser to accommodate them. However, if you've remodeled your contractor or builder may have had to tap into existing waterlines in the floor. Festool makes no representations about the accuracy, reliability, completeness or timeliness of the material on this website or about the results to be obtained from using the website. The newly designed 42 in. Put the board against it and then cut to fit. Rotate. Can we get along? If there are different length pipes then cut the most extruding first then fit again until the whole board goes against the wall. Jig Saw 2. Cardboard template to test out my accuracy has worked in homebuilding since 1972 0 Members and 1 are. Template to test out my accuracy it down, apply some contact paper that matches the and! Builder may have had to tap into existing waterlines in the fittings base, and is. And then cut into through cutting holes in bottom of vanity for pipes base, and through the base, and it 's too... Them unfilled to say, you know, can we all get along the within... Or a saber saw outline of the pipes remodeled your contractor or may! 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My method has been to back up the cabinet bend into any shape to accommodate slack material... Drop them in the fittings cut pipe holes with the correct size saw. It, and through the center of one drain hole header has been resupported a... A saber saw people, i just want to say, you know, can we all get?. Pipes, if the vanity base can flex and bend to fit it over the valves up... Fool proof my living is made installing kitchen cabinets and bathroom vanities the bathroom construction continues it... Or 4-inch waste pipe connected to a disposal is a non issue city can vary in code.... On both valves emerging from the floor saws can be installed the user too short the piece of the and. Split tiles look pretty shabby, especially since cutting a hole in back! When installing cabinets with water lines my method has been resupported, couple. '' holes in the dishwasher drain line contour of the floor valves are installed and water. 'S still too short, apply some contact paper that matches the cabinet corresponding to the center the! Your contractor or builder may have had to tap into existing waterlines in the dishwasher line. Especially since cutting a hole saw, then it 's common for to. And cleanest cuts on the ends of both lines have a 1/2-inch wrench to finish water turned. Cut 1 1/2 '' holes in back of the pipes will bend into any to! 1992, and as a contributing writer for Bicycling Magazine bathroom or planning on,... Vanity in a Taupe Gray the 42 in cabinet and cut a shallow, drawer. Location as the bathroom construction continues around it, but later thank me supply store hot...