Most toilet flanges are 1/4 inch to 1/2 inch thick and are designed to fit either a 3-inch or 4-inch pipe. The problem is that the bit (brand new) will not make a hole. A toilet drain flange can sit above or below the finished floor level. Line up the hole that you drilled into the concrete with the hole in the fixture. I expected that I would just need to change the wax ring and possibly add shims. use masonry bit to drill out concrete. Apparently the builder did not fasten the flange to the floor. So if your toilet sits on the tile, the flange needs to be on top of the tile too. attaching toilet flange to concrete floor. Steve used an Oatey 4″ replacement toilet flange for cast iron pipes. The pan wobbles a bit when it is sitting on this floor where it is to be fitted. 1. Why? It serves as a support so your toilet is stable and drains properly. Seems like the floor flange was pretty rusted and some just plain eaten away (built around ’76). The bottom of the flange needs to be sitting flush with (or not more than 1/8" above) the finished floor or else the toilet will rock. install the brass flange by just tap conning it to the floor and then set the wax ring and toilet or 2.) Depending on the size pipe you used, you may be able to use an inside mount flange (if you have 4"), then you could essentially leave it long, then cut it off after finishing the floor. I secured the shims to the floor and then seated the toilet. If the toilet flange sits below the finished floor, the toilet will leak. The instructions say to use a masonary bit to drill holes and then install anchors. A poured cast iron flange is not going to rock or move anywhere at all if done properly and is by far the best repair option to replace an existing cast iron flange. Just remember keep the concrete out of the drain and get the concrete out … I plan on anchoring the flange with concrete screws (Tapcon). 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. The flange of for the toilet will be about an 1" below the floor level. 2. The flange should be fastened to the floor. I am installing this in the bathroom. Place newspapers or towels on the floor next to the toilet. I have tile already installed around the pipe as you can see in the picture. In order for this not to happen the toilet flange must sit above the finished floor by at least 1/4″. The toilet should be secured to the floor flange with toilet hold down bolts. Keep the toilet flange slots clear so you can still use the flange. How to Repair the Toilet Flange on a Concrete Floor PrepaTurn off the water supply at the shut off valve under the toilet tank. The flange can be screwed into the floor. Even though the flange was not in direct contact with the tile, the pipe was not going anywhere. The spacing of the toilet exit "horn" and sealing surface is designed for this height. Thank goodness for that! Lastly, place the wax ring on the flange so that you can later install the toilet on the flange. It is just one part of the equation. Concrete slab:Toilet flange below floor level [ 4 Answers ] I am Installing a hardwood floor on a concrete slab. once the concrete is at the the right level put in tapcons through the holes and let the concrete dry, it'll be completely solid. ! Re: How to install closet flange to cement floor; Author: Doug E. (CA) cut riser pipe flush to the floor. Make sure to keep the toilet straight and as perpendicular as possible when lowering. Remember too, there's a waiting time before you can set tile over fresh concrete. Let me add that this is in a tiled bathroom on a concrete slab. The installation process is the same for a tile floor, a hardwood or carpeted bathroom floor. Measure the depth and width of the gluing edge of the bowl. Attach the new flange securely to the floor with new screws. I cannot get them to go down the pipe without hammering them inside. The toilet and replacement flange and drain pipe all need … You will place the toilet on these after you disconnect it from the flange. good luck Aside from being rust-stained and chipped, it was a water hog, using about three times as much water as a modern toilet. I was reinstalling the toilet using a flange gasket, not wax that I should have. How does the toilet attach to the floor? Meaning the bottom edge of the flange needs to be on the same plane as the toilet. It uses either a metal or plastic ring that can render your toilet unusable if broken. Remove the toilet and turn it on its side. Toilets are attached to a metal or plastic collar known as a toilet floor flange. You can rest the new toilet bowl on its side on a padded surface to protect the floor and the toilet and attach the replacement wax ring to the bottom of the bowl. Lastly, insert your wax ring, set your toilet back on the flange, and bolt your toilet to the floor. These bolts will fit into the toilet floor. All of the PVC flanges that you can place on 4" cast iron (that I found at Home Depot) have an outside diameter of 3.75". The flange leads to the soil stack, a large drain pipe designed to carry a large volume of liquid, etc. Ideal Height of a Toilet Flange. A handy kit looks like this: Ideally, the flange should sit directly on top of the tile floor. It just spins and gets very hot. You are now done, and your flange should sit evenly on your bathroom floor. I installed one of my toilets a couple or three years ago, so my memory is a bit foggy. He began his career in plumbing at the age of 14 while still in high school. The benefit to this technique is that you can be sure that the ring is in the proper position when placing the toilet over the flange. Mount the new flange on the floor with new bolts. Replace the nuts on the bolts. But replacement raised two problems: The old toilet flange—the part that connects the toilet to the drain pipe at the floor—had almost disintegrated. Concrete Flanges If you run into a flange that is going into a concrete floor, make sure you screw the new flange in with Tapcons, not drywall-type blanks and screws. The hole in your fixture must be the same diameter of the anchor that you're bolting into the concrete. Lay the toilet on its side and put the new wax ring on the round mouth that sits on top of the flange. A toilet flange is a component that holds your toilet to the floor. prime/glue flange in correct position. 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. How to Anchor a Toilet Flange in a Tile Floor. But when I pulled up the toilet last night, the entire flange came up with it. I have a cast iron pipe with no flange (to attach the toilet) that has an opening flush with the concrete floor in the bathroom. Dry fit the toilet to make sure it doesn't rock. My question is, do I have to screw the pan down to the floor, or can I just stick it down with silicone sealant? At this point we don't know if the flooring installer just failed to reinstall the hold down bolts or if they loosen the floor flange from the concrete to run the laminate under the flange. I have 2 options 1.) Remove the old supply line and discard. In order for that type of installation I will need to build up the sub-floor with 1/4 plywood alone with 3/4 hardwood floor. Bolts rusted completly out on toilet I have concrete floor I need to make sure it doesnt rock. hammer in Metal hit anchors into the flange and floor. Since the stub will be in concrete, you probably don't have to screw down the flange. Can you guess how the floor flange is attached to the concrete floor–I don’t recall. Install the wax ring and lower the toilet onto the flange. The flange itself is attached to the floor with screws. Line up your fixture or whatever you want to attach to the concrete. Put the toilet back in place, lining up the toilet with the flange bolts. If your flange is loose or deteriorating, it can leak and erode the surrounding flooring, causing significant damage over time. After a very challanging experience getting most of the pumbing ready to install my new Saniplus upflush toilet, I am stumped on how to attach it to the basement floor. The inside diameter is about 3.75". Push the new wax ring in place on the bottom of the toilet. In the process of tightening the toilet to the flange, I broke one side of the PVC flange. Is there a problem with using the Tapcon's directly through the ceramic tile and into the concrete? You just don't want it to move. It’s simple, the watertight seal between the toilet bowl and wax ring will eventually fail. Good videos! Leave enough room to work on the toilet flange, but lay the newspapers or towels close by so you don’t have to move the toilet too far. There are a variety of flange types, but it sounds like the one you have looks like this one: As for glue, PVC primer and glue should be used for this type of fitting to properly seal it. I'm fitting a toilet pan onto a ceramic tiled bathroom floor. I stood on it, jumped on it and between the concrete floor, self-leveling quickset, tile and grout, it wasn't going anywhere. That’s it- you have successfully set up a new toilet flange on a concrete floor. at high speeds. Flanges are made of either plastic, brass, stainless steel, or cast iron. The toilet flange is a pipe fitting that both connects the outflow pipe to the toilet and the toilet to the floor. What is the proper method for attaching a toilet flange to a concrete floor? To know about toilet flange installation on tile, read the following section. Author; Recent Posts; Kevin L. Sharp. The toilet flange needs to be on top of the finished floor. Straddle the toilet, bending at the knees and lift the toilet up. Slide a … It's your choice whether to screw the flange to the concrete floor and attach the toilet to the flange, or to screw the toilet directly to the floor possibly going through holes lined up in the flange. Remove the old flange. Next, move your caulk gun to the inset depth you just measured and apply caulk directly to the floor, maintaining the inset depth as you follow the tape. The framing, floor, and flange must all be sound for the toilet … However, installing the flange on a tile floor is different. To keep your toilet anchored securely, always use a closet flange secured tightly to the floor. The toilet flange, or otherwise known as a closet flange, serves the dual purpose of connecting your toilet to the plumbing and attaching it to your bathroom floor. After 90 years of service, this old toilet was ready for retirement. Replace the toilet by lining up the holes on the toilet base with the two bolts. You will want to securely mount the toilet flange to the floor. The proper place for the flange is on TOP of the FINISHED floor. If you have a stub coming up, then I'd just leave that. Re: how to mount a toilet flange to subfloor; Author: Paul48 (CT) To categorically state that preventing the bowl from moving is the most important part of the install, is ridiculous. I used a flange repair ring and got by. I will cut the pipe off flush with the concrete. Press down to seal the wax ring with the flange. 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