Features at a glance. If I had more time it would have been a very easy DIY project. I removed the toilet and the flange had come loose from the concrete subflooring. Make sure the flange is set up correctly for the toilet t-bolts. Since you're raising the level of the floor, you'll likely need to raise the level of the flange that skirts the drain as well. the moment of truth: Using the Tapcon drill bit, I drilled four holes down into the concrete to line up with the holes on the flange. I had to remove al the concrete around the flange. 10 years ago I figured it would be a hackjob. that type of crete is easy to fill with. (the bit has to be slightly smaller then the bolts) they won't rust for another 40 years. on Introduction, That's an idea, but to save yourself a lot of time, Oatey already makes a product that should work for this situation (I've used it twice in the same situation).Twist-N-Set® Cast Iron Replacement Closet Flange, Reply :-( No matter. However, installing the flange on a tile floor is different. I put a new fernco coupling on the old cast pipe after cleaning it. It will be hidden under the toilet bowl! It is packaged in 4 in. I discovered the reason was because the concrete about half way around the cast iron drainpipe and flange had deteriated, leaving nothing to hold the screws. There are typically several bolts that hold the toilet in place against the wax seal and flange so be sure to loosen those first and save the hardware for later if you intend to reuse it. They make toilet flange repair rings. The flange has basically disintegrated. When a toilet is leaking from the base, you may need to replace your toilet flange. 3) use less and less pressure the deeper you get, till you're almost not pressing at all when you break through the back of the tile. The top section of the clay pipe had to go. The ABS was cut with a mitre saw and dry fit into place. . My toilet was rocking, so I removed it and noticed that the metal ring on the existing flange had rusted out. So what is going to hold the 3 inch pipe in place if concrete is not tight to it? How do we install bolts for the toilet if we have nowhere to bolt it. I'm sure there are great instructables out there for laying tile and doing the final toilet installation for that matter. Installing a Toilet Flange. Comes as a full kit containing a toilet flange, 8 spacers, a patented toilet seal gauge and a couple of screws. Nice fix for a vexing, and hopefully rare problem. Come join the discussion about tools, projects, builds, styles, scales, reviews, accessories, classifieds, and more! If using a plastic flange ring, be careful not to crack the ring by screwing the anchors in too far. Helping You to Do It Yourself! I grouted the tile, then . Should I try to replace the floor piece or just spray mold spray an Toilets today, at least the large majority of them are of course not like that now, they fasten at the sides on the flange. If the floor coverings lift the toilet flanges by more than 1–2 cm above and below the flanges, you can install a flange extension. Tank is solid as can be now. The flange is going to screw into the new concrete. Before laying the tile, I used a tile bit to drill holes where the flange would be screwed in. there is all so a nohub toilet fitting that goes over the pipe for this kind of thing. for those that rarely drill the harder stuff. Thanks for the tips! . Measure the offset from the chalk line to the center of the flange. Making sure the ABS was plumb, I cemented it into place with mortar mix. A leaky wax seal or a dripping water supply line can make the area around the toilet wet. Then drill a series of holes straight down, about 2"- 3" deep, all the way around the pipe about 1/2" apart from each other and 1/2"- 3/4" away from the pipe. The floor flange is a durable ring that fits over the drainage pipe, creating a solid foundation for the toilet. The lower section is about 4 5/8" in diameter - perfect for accepting a piece of 4" ABS drain pipe. I discovered the reason was because the concrete about half way around the cast iron drainpipe and flange had deteriated, leaving nothing to hold the screws. sample image from homedepot.com, no affiliation Toilet flange repair, specifically the kind using a toilet flange extender, is pretty simple. Twist-N-Set® Cast Iron Replacement Closet Flange. The holes to mount a typical flange line up with the lip of the clay pipe and it wouldn't hold the flange. Every flange is designed to anchor the toilet to the floor and seal to the sanitary pipe. I was afraid if I made it too tight that I would have issues getting fitted tile under it and I didn't want it too high above finished floor as well. I have used that too and will agree that it works very well. the toilet was leaking and there is mold around the toilet flange, as you can see in picture. What a pain that job was! Toilet flange also referred to as closet flanges, toilet flanges are the point of contact between toilets and the drainpipes located on the floor. How to Cut Cement Board Around a Toilet Flange. We are living in house built over 50 year ago. ***Just double check the flange location to make sure the offset from the wall is compatible with the toilet you plan to install. Hope thats possible. I am about to remodel our basement bathroom (concrete subfloor). The screws that attach the flange to the floor have rusted out and one is broken to a useless nub (circled in pic). I've got the tub done and now I need to start focusing on the toilet. Culwell Flange patented design was engineered to prevent surface leaks under and around the toilet, water damage, and costly repairs that the traditional flanges failed to protect against. I probably need to tapcon another screw in there because one of the flange nails are broken. Here's the kicker..... You need to open up your hole in the concrete. Shop toilet flanges and a variety of plumbing products online at Lowes.com. I am replacing the flooring but first need to replace the toilet flange. Here is how it ended up. Awarded No. To install a ring, remove the toilet by draining and removing the tank, then loosening the flange nuts on the bowl. Share it with us! That’s it- you have successfully set up a new toilet flange on a concrete floor. You can see where I cracked the edge of the tile when drilling. Cracking a small corner of the tile was no big deal. You could tapcon the toilet bowl to the floor with a rope of plumber's putty like they did in the old days. 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