The flange is secured to the floor through anchor screws driven into the flooring. The first tip Charlie taught us is if your closet flange is broken you’ll need to repair it. Before we begin the fixing of the toilet flange, remember that it is different from the replacement. Helpful. 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. To adapt to new floor installation, extensions kits are also available that raise a toilet flange above the new floor. Flush the toilet and hold down the flush lever to drain as much water from the tank as possible. 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. I bought an extra wax ring and used the wax to fill in the gaps where my old flange was broken away. Charlie taught us how to repair a toilet flange and today we’re passing along those tips to you. Steps: 1. See my photos for the steps I took to repair my flange: 1. Once in place, you should have two bolts sticking up for the toilet. In this video, This Old House plumbing and heating expert Richard Trethewey shows how to replace a badly corroded cast-iron flange. The flange should be sitting with the bottom edge flush with the top of the floor… 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. Now let’s begin the setup of the toilet flange on the concrete floor of new construction. Mon, Aug 16, 2004 4:36 AM . At first, you will require to cut the toilet flange’s soil stack to make it even with the concrete floor. Discussion in 'Plumbing and Central Heating' started by ovolactohippo, 10 Mar 2018. Straddle the toilet, bending at the knees and lift the toilet up. Toilet anchor bolts, also called closet bolts or flange bolts, secure the base of the toilet to the floor. One person found this helpful. 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. 2. 1,458 satisfied customers. Place the toilet flange face down on the concrete. Replacing a toilet flange is a prevalent plumbing repair. As a result, the toilet may wobble or leak at the base. I am replacing a toilet because the seal was leaking, but have a problem related to the flange. Once the old bolts are out -- inserting new ones is a breeze. posted 16 years ago. 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. 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. The toilet can now be replaced and connected to the flange by using the wax ring. If only the area directly below the flange is rotted, you can install a two-piece steel closet flange support. I think my #1 option is to cut off the entire metal flange and then screw a more traditional PVC flanged into the floor. I know that modern pans all discharge from the back so I know I will need a 90 deg connector of some sort. Whatever the case, you must fix rotting wood before the toilet goes completely through the floor. I saw some people using grinder to cut the flange and remove it piece by piece. 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. Rusted out toilet flange on concrete floor. Also tried to torch the joint for few minutes but the lead doesn't seem to melt either. I think it's joined by lead to the drain pipe. This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. J. Jeff Wisnia. FCC Communication License. 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. Thanks Contact options for registered users. Types of Repair Flanges There are three main types with the new repair flanges. Replacing a wax ring or even the entire toilet is easier than replacing the subfloor under a toilet. It’s also important to note that you never want to use a wax ring with a horn. Charles. How to Repair the Toilet Flange on a Concrete Floor PrepaTurn off the water supply at the shut off valve under the toilet tank. Replacing a toilet flange overview. Much better than overlay plates that need to be attached to the floor which is problematic if concrete. Toilet bolt extended up to the plate and held firmly. 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? Most of the time, the original bolts remain in place, even during wax ring changes. It has a hub with a rubber sleeve that should be facing up. 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. But the flange is actually cemented into the floor. Make sure that it's positioned correctly so that all of the bolts and connections match up. 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? I want to replace a toilet, but the existing pan discharges downwards (ground floor). Replacing toilet with waste into concrete floor. 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. I tried to drill through the lead join but it's really thick, about 2 inches. 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. Introduction: Install Toilet on Concrete With No Closet Flange. After 90 years of service, this old toilet was ready for retirement. Report abuse. A toilet flange is a circular pipe fitting that connects a toilet to the sewage pipe. Read more. 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'm trying to replace the broken rusted cast iron toilet flange in my basement. If your flange is loose or deteriorating, it can leak and erode the surrounding flooring, causing significant damage over time. On the drain part, this unit features a patented seal design that makes use of specially made … Moisture around the base of the toilet can corrode the anchor bolts. 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. 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. Along those tips to you extensions kits are also available that raise a flange! 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