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 … Another indication you need to repair or replace the flange is when your toilet feels wobbly. 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. The screws that attach the flange to the floor have rusted out and one is broken to a useless nub (circled in pic). Charlie taught us how to repair a toilet flange and today we’re passing along those tips to you. Close the shut-off valve behind the toilet to stop the flow of water. 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. Rusted out toilet flange on concrete floor. Toilet anchor bolts hold your toilet to the floor and keep it connected to the flange, which is the opening to the waste line. How to Remove & Replace a PVC Closet Flange. 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. Much better than overlay plates that need to be attached to the floor which is problematic if concrete. Most times the sagging subfloor repair only requires replacing a small area, while the flooring itself will have to be totally replaced because you can't match it. You won’t have to deal with uneven surfaces and so on. I want to replace a toilet, but the existing pan discharges downwards (ground floor). Screw the bolts down and check that the toilet doesn't rock. One person found this helpful. I am replacing the flooring but first need to replace the toilet flange. Replacing toilet with waste into concrete floor. I need to replace a rusted metal toilet flange in a condo that has an acoustical concrete 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. I know that modern pans all discharge from the back so I know I will need a 90 deg connector of some sort. Once the old bolts are out -- inserting new ones is a breeze. Flush the toilet and hold down the flush lever to drain as much water from the tank as possible. Replacing a toilet flange in a concrete floor. Toilet Flange Repair…What You Need to Know. Make sure that it's positioned correctly so that all of the bolts and connections match up. Replace Toilet. The flange has basically disintegrated. Contact options for registered users. Buy an inside closet flange. I’ve been told that I can’t just screw the replacement flange to the concrete because the concrete won’t hold the screws. But if your floor is severely rotted, say more than an inch beyond the flange, you’re stuck replacing the flooring around the toilet. 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? 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. Remove the old supply line and discard. I tried to drill through the lead join but it's really thick, about 2 inches. Different from the back so i know i will need a 90 deg connector of some sort cast-iron.. Discharges downwards ( ground floor ) will need a 90 deg connector of some sort in brass, stainless,! 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