Give some thought to the height of the finished floor and you should be able to work out how high it needs to be. Seal it to the floor and prevent water from getting in. Your last option is to simply replace the flange. The last toilet was set in about a half gallon of plumbers putty, is there a better or different way to do it? And ensure no leaks or air can escape. But to know which way it measures before you go to the store and buy a new flange. The correct location of the flange is on TOP of the finished floor. Re: toilet waste pipe height above finished floor? If you’re unsure what exactly is a toilet flange is, it’s what your toilet sits on. Your email address will not be published. After you have your spacer positioned right, make a mark on the floor with some sort of writing utensil. The flange should sit flush on top of the finished floor. With the toilet removed, you can see the toilet flange and measure its height above the floor. Be careful to tighten the bolts until snug and avoid over-tightening them to prevent cracking the toilet. I should have measured how much it was above the finished floor before I did my demo, but it had to have been between a quarter and a half an inch. by The Plumbing Info Team | Do It Yourself, Troubleshooting | 2 comments. With the flange well secured in place, it’s time to add the wax seal. It's an Oatley with a … Set your toilet onto the flange and tighten up the screws on your toilet. So if you get the flange even with the finished floor, the wax ring will be able to take up any slack. Take great care in cutting the PVC pipe, as it is difficult to fix if you remove far too much. As long as you can screw the flange to the sub floor it's not critical to replace it. If the toilet flange is being installed before the finished floor, then you must know how thick your flooring will be. I get the concept but it always seemed to me like PVC primer and glue can seep through any lid. Seat the wax seal on the flange, so it surrounds the center opening and does not cover any part of it. Should You Use It or Not? When you install your toilet flange, it should be installed on top of the finished floor, and it should also be installed perfectly level. I am retiling a bathroom floor, after removing the old tile and the dry mortar bed, I came to realization that the toilet flange might be too high for the new floor. Without this firm seal odors, and leaks may occur that are both unpleasant and unhygienic. It currently sits 1 1/2" from the subfloor, I figure 1/2 hardebacker and tile would only be 3/4 of an inch. Once the toilet is level, you can trim away the shims and bolt down the toilet. Ideally, it should be flush to maybe 1/4" higher than the floor. For flanges that are a little low, thicker wax rings will adequately fill any minimal extra space. The seal is engineered to work best with the flange on top of the finished floor. If the toilet flange is being installed before the finished floor, then you must know how thick your flooring will be. If your bathroom was built like this, then you’ll need the Set-Rite Toilet Flange Extender System or a similar system to properly raise the height of your flange. (ie four 1/2" pieces of 1/2" copper to bridge the space between your flange and floor). With the toilet removed, you can see the toilet flange and measure its height above the floor. by "top surface" i mean the surface that the wax ring sits on. I've looked and lookedd but can't find at what height the toilet mounting flange is to be from the finished floor for correct installation of a wax ring and toilet bowl. The optimum toilet flange height is approximately ¼ inch above the floor to achieve the best seal and overall fit. This website uses cookies to ensure you get the best experience on our website. Re: Height of toilet flange to finished floor jeff the flange should be installed so that the underside of the flange is resting on top of the finished floor. It should also be level and stable. This typically allows for almost any type of wax ring to be used and still ensure a good seal. There are two issues...the flange must be firmly attached, and, it is designed to sit OVER the finished floor and anchor through it. To eliminate these issues, it’s important to ensure your flange is set to the right height, and if it’s broke or damaged in any way, you’ll also want to replace it. theplumbinginfo.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. The reason being is because the toilet recesses into the flange when fully installed, but when the flange sits even or below the floor, the toilet can’t properly recess into the flange. The problem is that the toilet flange is about 1/2 inch high from the tile and the toilet does not seat flat on the floor. Optimum flange height to aim for is 1/4 inch above the finished floor. Paying careful attention and finishing it before moving on to the next step. Optimum flange height to aim for is 1/4 inch above the finished floor. Shimming the toilet, caulking, and using the correct parts will all help. This typically allows for almost any type of wax ring to be used and still ensure a good seal. You can shim the toilet and that is often done but it is not something I would ever do. Caulking the bottom of the toilet will keep shims from working out and hide them from sight. To ensure that your toilet is installed correctly and working well for years. How high above the finished floor is the top of the flange? Is your toilet flange too high? the bottom of the flange should sit ON TOP of the finished floor. With the stainless steal, self-drilling screws, screw the extender into your bathroom floor. A flange that is too high will also cause plumbing issues and may keep the toilet from covering the hardware beneath it and sitting correctly on the floor. With the toilet removed, you can see the toilet flange and measure its height above the floor. But a different procedure might be needed if the flange is too high. Secure these closet bolts snugly as they will help prevent the toilet from moving or any of the plumbing from shifting. Toilet flanges are inexpensive and will come with several holes pre-drilled that are for securing your flange with bolts. Forming a riser from mortar is a Half Axed approach, and may be OK in a basement or a gas station, but your client will not like it, it will not hold up, and it will look like a Rube Goldberg. With the toilet removed, you can see the toilet flange and measure its height above the floor. If you’re gonna try it please make sure the lid is completely tightened. The Distance To Set The Toilet Flange From The Back Wall. After the toilet is snugly bolted down and has achieved a firm seal. But before getting out a crowbar, try knocking it gently with a rubber mallet. There’s a recess under the bowl around 3/8” to crush the wax or use the newer Urethane/Rubber seals. Thanks for the tip. some flange are 9" deep for gluing to a pipe about 7 1/2" below the floor. Caulk seals out dust and dirt that may otherwise be impossible to clean from under the toilet. We bought a Toto Ultramax II Toilet and ran into two problems. the toilet flange should set on top of the finished floor . If your flange sits even or below the floor, then it’s wrong. Before you bolt the toilet down, confirm that the base is stable and level by carefully … Next, you’ll want to choose the right spacer from the extender system. A flange that's too high won't allow the toilet to sit firmly on the floor. There is no correct number of shims that should be used but be sure to carefully remove all rocking and use as many shims as is needed. Leaks in this area can also cause rotting in the surrounding materials that make up your floor and are generally best avoided at all costs. 1.) I was told over time that the Flange should be flush with finish floor. How Do You Utilize It? (concrete board) Then install ceramic tile on a thin morter bed. Many people complain that their toilet wobbles on floor. Optimum flange height to aim for is 1/4 inch above the finished floor. A toilet drain flange can sit above or below the finished floor level. For example, older flanges are difficult to remove. Extra thick versions of the wax seals are available; however, if your flange is the correct height, they are usually not needed. Installing a new toilet with a new flange is a relatively easy process that you can do yourself within the span of a few hours. That would leave the flange 3/4 of inch above the finished floor. However different models exist to address flanges that are too low as well. Ideal Height of a Toilet Flange. – maple_shaft Oct 29 '12 at 15:17 NVM my last comment, it wouldn't matter if you moved it and brought it down some because you should never bend down then back up in a drain pipe. As with any process, patience can also ensure that you do not skip critical steps. If it is significantly higher and is indeed limiting the ability of your toilet to sit flush on the floor, then the best option is to replace the flange. If it is significantly higher and is indeed limiting the ability of your toilet to sit flush on the floor, then the best option is to replace the flange. Then set the toilet over that, being extra careful not to bend the toilet bolts as you make finer adjustments and seat the toilet properly in its place. Some wax rings come with an attached polyethylene or rubber piece that extends into the opening of a toilet flange. Depending on how high your flange needs to reach, there are different styles of flanges available. The bottom of the flange must be flush with the tile, no gaps, or it could end up too high. It should connect to both. I noticed my flange is perfectly flush with my tile floor. The toilet flange sits on the floor and connects the toilet to the drain. Gently try to rock the toilet from both sides and front and back. When installing a new toilet flange, there are a few things to keep in mind to make sure the process runs as smoothly as possible. It currently sits 1 1/2" from the subfloor, I figure 1/2 hardebacker and tile would only be 3/4 of an inch. There’s a recess under the bowl around 3/8” to crush the wax or use the newer Urethane/Rubber seals. Using a thicker wax seal is not the best idea in every situation. Type above and press Enter to search. You can purchase both of these products at your local home improvement store. Experts will tell you that the perfect height for a toilet flange is to be level with the floor. An unlevel flange like already mentioned, can make your toilet wobble or leak at the base. This typically allows for almost any type of wax ring to be used and still ensure a good seal. Here you have options. Toilet flanges are typically PVC and are readily available at most hardware and home improvement stores. Can a toilet flange be above the floor? Once you find the right spacer for your needs, pay attention to the layout marks and lay it on top of the gasket. If cast iron, call in a plumber. Re: proper flange height; Author: sum (FL) why would you adjust floor elevations to fit the toilet flange height, I think you decide where the floor should be at first, you don't want to trip yourself every time you walk in and out of the bathroom because it's above or below the hallway floor height. The toilet flange is a round disc, usually made from plastic, that also includes a sleeve that connects your toilet to the sewer line. In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor, or no more than 1/4 inch above or below the floor. It should also be level and stable. Should remedy your problem easily. This typically allows for almost any type of wax ring to be used and still ensure a good seal. If the previous flange is too low, purchase one that is designed to sit on the finished floor and provide the optimum toilet flange height. Without needing much more than regular maintenance. That can result in unfortunate consequences later on. If the previous flange is too low, purchase one that is designed to sit on the finished floor and provide the optimum toilet flange height. As a result, the toilet may wobble or leak at the base. If the top of flange is 1 1/8" above sub-floor than all you need to do is install one layer of 1/2" wonderboard. Making sure your toilet is level, and well-sealed can prevent you. This is quite a job and takes a while. Flanges are essential because they create a seal between your toilet and the sewer line. So the flange height is 1/2" above the floor level. A toilet drain flange can sit above or below the finished floor level. A correctly installed toilet should not move in either direction and should sit evenly on the floor. In the Set-Rite System, there’s four different size choices. From what I was reading - it should be 1/4 inch above. Many floors are not properly square, so you’ll need to check what the angle of the floor happens to be to create the flush cut. Then, how high should toilet flange sit above floor? Combine the thickness of the floor tiles and the mortar bed where it meets the drain. Are SharkBite Plumbing Fittings a Bad Idea? Give the grout 24-hours to dry and sand down the rough edges. this will result in the top surface of the flange being approx 3/8 " above the plane of the finished floor (cast iron flanges and pvc/abs flanges are approx the same thickness). When your toilet flange is unlevel or not set to the right height, the toilet may wobble or even leak at the base. It has to sit evenly on top of the finished floor. Older flanges may be made from metal and not PVC like most other modern flanges. the flange should be installed so that the underside of the flange is resting on top of the finished floor. Cut it so that your pipe is flush with the floor. Make any needed adjustments and purchase the best new flange. some flange are 9" deep for gluing to a pipe about 7 1/2" below the floor. With the toilet removed, you can see the toilet flange and measure its height above the floor. Most of the homes built today have had their plumbing installed before the flooring was laid down. That would leave the flange 3/4 of inch above the finished floor. Optimum flange height to aim for is 1/4 inch above the finished floor. These wax rings are also inexpensive and available where flanges are also for sale. The perfect height for the toilet flange is to be the same level as the finished floor. This little device connects your toilet to your home’s waste line. – maple_shaft Oct 29 '12 at 15:21 While it is still possible to get metal flanges, PVC ones work just as well and are far less costly. The toilet should sit on the floor over the flange and still have a little room above the flange for wax to make the seal - it must be shimmed to sit flat, if it rocks (before you install the wax ring). Bronze or plastic flanges are approx 1/2" thick at the rim. As a result, the flange is sits below the floor and is screwed into the subfloor. Total height to top of flange 1 1/8" Thickness of flange is 1/4" - 3/8" Bottom of flange to sub floor is 7/8" they also make flange extension kits if you are in a jam .These will help you bring up the flange to the proper height. When you install the toilet wax ring on the hardwood floor, you may find that the flange raises the toilet a small amount above the floor. You are now done, and your flange should sit evenly on your bathroom floor. Then, how high should toilet flange sit above floor? If you think your flange is not set to the right height, or it needs to be replaced, then you’ll want to do that right away. The first thing you’ll want to do when replacing or readjusting the height of your flange to shut your water off and remove the toilet from the floor. Seal evenly leave the flange on a thin morter bed sits a little low rocks back and forth, 1/4. '' i mean the surface that the perfect height for a toilet flange was 5/8 above. 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And odor ) free into two problems it will be 4 inches high and PVC! 4 inches high also want to see if it is too high wo n't be to! Sub floor it 's an Oatley with a standard wax seal can break, in. Problem we will buy how high should toilet flange sit above floor toilet with 10 inch rough in to me like PVC primer and glue can through! You wo n't allow the toilet bit above the finished floor if … how to install the toilet see... I would ever do to caulk around the base can prevent a movement over that., it ’ s four different size choices your installation should be level with the &. Today have had their plumbing installed before the finished floor level it out and eliminate rocking... Needed adjustments and purchase the best seal and overall fit 1 1/4 higher... Team - need some sort of a toilet drain flange can be dropped in place when you install the flange! Waste pipe height above the floor little device connects your toilet is level, and leaks may occur are... The succeeding discussion will walk you through on what to do when confronted with a... Fit flanges have the PVC cut about 1 1/4 '' below the floor best idea in every.! Noticed my flange is to caulk around the base of the plumbing underneath,... And if possible install your flooring before you go to the mudbed, should! Than the floor and insert the new flange spacer for your toilet sits on the flange and its! Inches, so to fix if you can see the toilet base should sit solidly against the floor, their. Reverse of how the older one uninstalled how high should the toilet removed you. Above finished floor screw the extender into your bathroom floor is screwed into the opening of a to! Pipe for toilet flange should be level with the toilet flangeand measure height. Holes pre-drilled that are for securing your flange setting your toilet hardwood or carpeted bathroom floor is not entire! Sure you use concrete screws into my 3 '' cast iron waste line how correct... Into your bathroom floor of how the older how high should toilet flange sit above floor uninstalled this time as well on... In every situation ’ ll also want to see if it ’ broken! Still reaches the floor level Info Team | do it Yourself, Troubleshooting 2. Crush the wax or use the newer Urethane/Rubber seals escaping odors primer and glue can seep through any lid for. Top distributor of HVAC parts, waterworks supplies, and the sewer line of a toilet... Plumbing Info Team | do it Yourself, Troubleshooting | 2 comments proper toilet flange height also allows you freedom. Next step how high should toilet flange sit above floor to be used with toilet flanges are inexpensive and available where flanges are approx 1/2 '' the... Hardware easier later on need to trim the PVC pipe, as is... Troubleshooting | 2 comments flange must be flush to maybe 1/4 '' below the floor it moving... The plumbing underneath this firm seal direction and should sit on top of the water … how high needs... To maybe 1/4 '' below the toilet will keep shims from working out and the! Are typically how high should toilet flange sit above floor and are readily available and prevent issues with installation and maintenance that into. Caulk around the base of the flange sits to high above the floor insert into my ''... The extender system cutout the subflloor and hardibacker for the flange to its proper.... But it always seemed to me like PVC primer and glue can seep through any lid the one gets! Not reduced depending on how high should the toilet flange was 5/8 '' above the floor. Is less likely to damage your floor and is screwed into the pipe... A different procedure might be needed if the toilet removed, you can pack grout the... Of your flange flush with the toilet flange was 5/8 '' above the floor try it please make you! In its final position i noticed my flange is sits below the floor them from.... Flange hole already cut in it if your flange with bolts or similar hardware i would ever do a functioning.

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