If only the area directly below the flange is rotted, you can install a two-piece steel closet flange support. Most of the time, the original bolts remain in place, even during wax ring changes. A toilet flange is a circular pipe fitting that connects a toilet to the sewage pipe. Also tried to torch the joint for few minutes but the lead doesn't seem to melt either. The flange has basically disintegrated. I’ve been told that I can’t just screw the replacement flange to the concrete because the concrete won’t hold the screws. Replacing a toilet flange in a concrete floor. It goes under the flange and transfers the load of the flange and toilet (and you) out onto more solid surrounding wood. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it's plastic. I want to replace a toilet, but the existing pan discharges downwards (ground floor). Owner. In this video, This Old House plumbing and heating expert Richard Trethewey shows how to replace a badly corroded cast-iron flange. posted 16 years ago. I think my #1 option is to cut off the entire metal flange and then screw a more traditional PVC flanged into the floor. Replacing a toilet flange is a prevalent plumbing repair. The subfloor is pretty level and if I need to replace the toilet in the future I'll chip away the surrounding concrete top floor to make room. If an anchor bolt or the closet flange beneath the toilet breaks, however, replacing the bolts is necessary. My floor is not level and the toilet had a tendency to wobble, and I believe my old flange went bad because the flange bolts were over tightened to compensate for the unlevel floor. What do you do if you remove an old toilet and discover that the closet bolts are rusted out, there is no closet flange, and the waste line is made of terra cotta? Now let’s begin the setup of the toilet flange on the concrete floor of new construction. Discussion in 'Plumbing and Central Heating' started by ovolactohippo, 10 Mar 2018. Joined: 22 Mar 2014 Messages: 16 Thanks Received: 0 Location: Monmouthshire Country: I'm in the process of replacing my bathroom and next step is the toilet. This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Toilet anchor bolts hold your toilet to the floor and keep it connected to the flange, which is the opening to the waste line. The existing flange is in fairly good shape ... Is there anyway that you can offset a toilet flange in a concrete floor or would I have to breakup the concrete? He’s one of our favorite plumbers in Pittsburgh because the guy is always happy. But the flange is actually cemented into the floor. It’s also important to note that you never want to use a wax ring with a horn. Types of Repair Flanges There are three main types with the new repair flanges. If your flange is loose or deteriorating, it can leak and erode the surrounding flooring, causing significant damage over time. I recently decided to remodel our downstairs bathroom which is the original bathroom in our house (about 40 years old). Charlie taught us how to repair a toilet flange and today we’re passing along those tips to you. The toilet flange, also known as a closet flange, is the part of the toilet that secures the unit to the floor and connects to the drain pipe.Usually made of PVC, rubber or metal, this piece is circular in shape and usually secured in place with a few bolts. Close the shut-off valve behind the toilet to stop the flow of water. The old flange has rusted and disintegrated at the hold down bolt slots. At first, you will require to cut the toilet flange’s soil stack to make it even with the concrete floor. On the drain part, this unit features a patented seal design that makes use of specially made … Charles. Introduction: Install Toilet on Concrete With No Closet Flange. As a result, the toilet may wobble or leak at the base. Much better than overlay plates that need to be attached to the floor which is problematic if concrete. I know that modern pans all discharge from the back so I know I will need a 90 deg connector of some sort. Remove the lid from the toilet tank. Place the toilet flange face down on the concrete. The screws that attach the flange to the floor have rusted out and one is broken to a useless nub (circled in pic). Replacing a toilet flange overview. I tried to drill through the lead join but it's really thick, about 2 inches. All I can see is a large ring of cement at floor level. J. Jeff Wisnia. Is there another option I … Other styles may come in brass, stainless steel, plastic or copper. Replacing toilet with cemented flange ring. I saw some people using grinder to cut the flange and remove it piece by piece. I bought an extra wax ring and used the wax to fill in the gaps where my old flange was broken away. Attach using your used or new screws and bolts. Guest 1: OK - are you talking a floor flange (a metal plate the toilet bolts down to) or the wax ring that acts as a gasket between the flange and the toilet ?. Mon, Aug 16, 2004 4:36 AM . Straddle the toilet, bending at the knees and lift the toilet up. Lay the toilet on its side and put the new wax ring on the round mouth that sits on top of the flange. Remove the old supply line and discard. 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. One side of the floor flange was broken so this clamped around the whole flange making a solid mount. I am replacing a toilet because the seal was leaking, but have a problem related to the flange. If you can’t cure a rocking toilet by tightening the flange bolts, it may be that the PVC plastic closet flange is unable to hold down the toilet. Screw the bolts down and check that the toilet doesn't rock. Once in place, you should have two bolts sticking up for the toilet. Read more. Toilet anchor bolts, also called closet bolts or flange bolts, secure the base of the toilet to the floor. Page 1 of 2 1 2 Next > ovolactohippo. Whatever the case, you must fix rotting wood before the toilet goes completely through the floor. Step 7 - Replacing the Toilet. One person found this helpful. Aside from being rust-stained and chipped, it was a water hog, using about three times as much water as a modern toilet. Toilet bolt extended up to the plate and held firmly. Chipped away tile for flange and filled in with concrete filler. See my photos for the steps I took to repair my flange: 1. 2. How to Repair the Toilet Flange on a Concrete Floor PrepaTurn off the water supply at the shut off valve under the toilet tank. Then, place the flange over the stub-out and turn it until the slots for the bolts that secure the toilet are by the flange's side in relation to the wall that is behind the toilet. I know mounting a flange to the subfloor is frowned upon, but given the situation and the unlikeliness I'll ever want to replace the concrete top floor I think it'll be okay to mount the new flange to the subfloor. The first tip Charlie taught us is if your closet flange is broken you’ll need to repair it. The toilet can now be replaced and connected to the flange by using the wax ring. Replacing a wax ring or even the entire toilet is easier than replacing the subfloor under a toilet. Buy an inside closet flange. Step 1. To adapt to new floor installation, extensions kits are also available that raise a toilet flange above the new floor. Steps: 1. Purchase a toilet flange extension ring thick enough to raise the toilet mounting surface so that it's approximately 1/4-inch above the level of the finished tile floor. Helpful. The keys to success are precise measurements (so that you purchase the right-sized replacement flange) and extra attention to ensure that the toilet sits flush on the floor at the end of the project. I need to replace a rusted metal toilet flange in a condo that has an acoustical concrete floor. [ 1 Answers ] Hello, I was hoping someone could help me with a bathroom issue. You could pay someone $$$$$ to jack hammer out half of your basement floor and connect up to the terra cotta. I am replacing the flooring but first need to replace the toilet flange. Toilet Flange Repair…What You Need to Know. Replacing toilet with waste into concrete floor. I think it's joined by lead to the drain pipe. I'm trying to replace the broken rusted cast iron toilet flange in my basement. Moisture around the base of the toilet can corrode the anchor bolts. How can I fasten the new flange to the floor? Make sure that it's positioned correctly so that all of the bolts and connections match up. … read more. After 90 years of service, this old toilet was ready for retirement. When you notice a damp area around the base of the toilet, you will know it's time to replace your flange. 1,458 satisfied customers. The flange is secured to the floor through anchor screws driven into the flooring. The flange should be sitting with the bottom edge flush with the top of the floor… Let me know what you think! Rusted out toilet flange on concrete floor. Another indication you need to repair or replace the flange is when your toilet feels wobbly. When replacing a round toilet with an elongated toilet, you can purchase offset toilet flanges providing diagonal set openings that offer additional space to accommodate the bottom shape of an elongated toilet. But if your floor is severely rotted, say more than an inch beyond the flange, you’re stuck replacing the flooring around the toilet. I am about to remodel our basement bathroom (concrete subfloor). Fit your new flange over the pipe and make sure that there are no spaces between the flange and the floor before screwing it into place. To replace the wax ring and reinstall the toilet would usually be about $100 - maybe $150 in large cities and high-cost areas - normally a minimum visit charge plus about $5 for the wax ring. FCC Communication License. You won’t have to deal with uneven surfaces and so on. How to Remove & Replace a PVC Closet Flange. Thanks If the toilet is set in the basement on a raw concrete floor, and the concrete is so uneven that shims won’t do it justice, pour a bed of thinset down where the toilet will sit and set the toilet into the bed and let it set. Before we begin the fixing of the toilet flange, remember that it is different from the replacement. Replace Toilet. The typical toilet flange is going to be made from a ABS or PVC hub that will have a round steel mounting flange that can be connected to the top. Therefore, if the flange and horn are very high above the tiled floor, you can remove this plastic so that the toilet can compress the flange and seat flush on the floor. Put on the rubber gloves and using the scraper, remove the remnants of the old wax from the wax ring and the old toilet bolts. If you watched the video above you know about Charlie. I've got a toilet on the concrete floor. A toilet flange has a metal or plastic ring that holds the toilet to the floor, and when the ring breaks, it can render the toilet unusable. Contact options for registered users. I noticed the fill valve in a seldom used basement bathroom toilet wasn't shutting completely, so I ran and picked up a Fluidmaster to replace it with. Report abuse. Flush the toilet and hold down the flush lever to drain as much water from the tank as possible. 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