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. Hit the block with the hammer. The first step is obviously to turn off the water supply. use stainless steel screws to anchor the flange and solid brass (not brass coated) bolts for the toilet - - - - - - - PLUMBERS "Protecting The Health Of … Re: toilet flange install on concrete basement floor; Author: dlh (TX) you may not want to try and get the back all the way flush. Set the toilet … Instead of using gravity to drain, an upflushing toilet has a … (You can check a toilet’s rough in by measuring from the wall to the toilet … I applied ABS cement to the inside of the cemented ABS piece and to the outside of the flange. Cracking a small corner of the tile was no big deal. It may seem intimidating, but installing a new toilet can be a DIY project that you can be proud of. 11 years ago Both PVC flanges and cast iron flanges are installed in pretty much the same way. Align the machined holes with the concrete anchors, and push down on the flange to fit the lower end of the sleeve into the stub-up. Level the toilet base, then tighten the bolts and cap them. Once cut out, the toilet will sit on this piece to raise it up to the level of the flange. Place newspapers or towels on the floor next to the toilet. 2. This is one of those questions that, if you need to ask, you are probably biting off more than you can chew…but here are some suggestions. Learn the step-by-step process of installing a new toilet flange on a concrete floor , a project that is easy if you use a hammer drill and multi-tool. A drainpipe stub-out will also be needed and is best installed by a licensed plumber. I chipped it out down to the lower lip (about 1" - 1 3/4" down) using a cold chisel and a hammer. Hunker may earn compensation through affiliate links in this story. Toilets, Sinks, Showers, Dishwashers, Tubs and Garbage Disposals - toilet flange on concrete floor - hi all I`m installing a toilet in the basement . We use cookies to give you the best possible experience on our website. In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be positioned so that its bottom surface rests flush against the finished floor, or no more than 1/4 inch above or below the floor. 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. if that is concrete under it like mine, after the bolts rusted out ,i just used my rechargeable hammer drill from Home Depot (50 bucks) and concrete bit ,for drilling out the old rusted bolts and on into the concrete ,the further you drill the longer the bolt you need, use two 1/4 inch concrete bolts (Blue) with toilet washers and was done.total of 30 minutes. Step 5 Clean up around the bottom of the toilet and place the new wax ring on the repaired flange. She also runs her own lifestyle blog, Sweet Frivolity (www.sweetfrivolity.com). It has a hub with a rubber sleeve that should be facing up. For the 11. How to Install an Offset Toilet Flange. Installing a Toilet Flange. If your flange sits even or below the floor, then it’s wrong. Step 1: Place the Flange Place the toilet flange face down on the concrete. The new toilet flange needs to be installed. Once cut out, the toilet will sit on this piece to raise it up to the level of the flange. www.culwellflange.com is their site, I was hoping to get more info about it... 8 years ago Danielle Smyth is a writer and content marketer from upstate New York. I filled in the gap with thinset mortar and that part is hidden under the toilet anyway. Again, note the grungy towel stuffed into the hole the keep sewer gases from coming into the house. With the toilet removed, you can see the toilet flange and measure its height above the floor. . 2. Then I slid the flange into place and screwed in the Tapcons. Don the safety glasses and drill 1 1/2-inch holes into each of the marks that you made. Meaning the bottom edge of the flange needs to be on the same plane as the toilet. After all that hard work, it's a letdown to have the finish part go wrong in the end, yes? Toilets, Sinks, Showers, Dishwashers, Tubs and Garbage Disposals - toilet flange on concrete floor - hi all I`m installing a toilet in the basement . I also will be using a self leveling compound to even out the floor before tiling. I`ll be putting down a tile over concrete. The flange should be placed over the pipe so it lays flat against the concrete floor. So if your toilet sits on the tile, the flange needs to be on top of the tile too. 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. Use a self leveling concrete first to level the floor instead of relying on thinset and tile. A rock-solid toilet flange is the key to a leak-free toilet. Close the shut-off valve behind the toilet to stop the flow of water. Try not to tip it on its side. Make sure you do this all around the toilet. Optimum flange height to aim for is 1/4 inch above the finished floor. Walk around the tub flange and install the screws after every 6 inches. (the bit has to be slightly smaller then the bolts) they won't rust for another 40 years. When I got the old tile out I noticed that the floor bolts were coming out of the concrete and there was no flange. Between the flange and concrete will be caked rust and wax etc get it all cleared then tap in the repair flange put on the new wax seal and carefully set the toilet back on it. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. If you use 3", you should put the flange on the outside (an option with 4"). Any advice on how not to crack the tile when drilling? Step Six: Inserting A Threaded Drain This will dictate the types of tools and supplies you'll need to use for this project. And a rocking toilet will distort the wax ring and cause leaks. Screw the Toilet Flange Onto the Concrete . That means the flange was centered 14 in. I've run into a similar problem with a slab foundation and terribly rotted closet flange (metal) attached to PVC pipe. The mouth of the terra cotta (or clay) drain pipe is about 7" in diameter. If your flange sits even or below the floor, then it’s wrong. Remove the bolts from the concrete anchors, place them in the four holes and hammer them into place. You could use lead anchors as well. You could pay someone $$$$$ to jack hammer out half of your basement floor and connect up to the terra cotta. 5 Place a wooden block flat across the top of the flange. Use a ratchet wrench to tighten the four stainless-steel screws that secure the flange to the floor. 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. Learning to install toilet flange is a very simple project; however, it will require physical strength and the right tools. How to Repair the Toilet Flange on a Concrete Floor PrepaTurn off the water supply at the shut off valve under the toilet tank. Re: How do I Install Toilet Flange to Stubbed Pipe in Concrete Slab; Author: packy (MA) use a 'pushtite' flange. If it is cracked or broken, you can use a flange repair ring to replace … Also, I covered the lower portion of the drain pipe with duct tape so none of the clay fragments went into the sanitary sewer. So be sure to scrape off the old wax ring and inspect the flange. Don't forget to wear safety glasses when forcefully chipping out sharp pieces of clay! 7. Connect the shutoff valve to the wall's waterline pipe by coating the line with plumber's pipe compound and simply sliding the valve over it as far as it will go. Remove the old supply line and discard. OR you can do what I did . The concrete slab will have to be cracked open and the toilet flange relocated to the proper location. Twist-N-Set® Cast Iron Replacement Closet Flange. Once you have your new toilet, you'll also need the right kind of toilet flange. These rubber shims will keep your toilet from moving while you’re working on the flange. First, you'll need to think about the type of floor you'll be installing the toilet on. Kohlet Cavata, 2020. The bolts should be sticking up so you can lower the toilet onto them. Installing a new bathroom in a basement can be a major undertaking. Then proceeded with a normal toilet installation. I’ve see situations where the metal has been eaten away as well, that’s why I choose all PVC for the closet flange repairs. Use a stiff-blade putty knife to scrape away the wax gasket from the closet flange. When I moved in the toilet had concrete poredunder the bowl to raise the height to meet the flange. I have used that too and will agree that it works very well. Before laying the tile, I used a tile bit to drill holes where the flange would be screwed in. if it sticks up 1/8" that is fine. As you can see, the offset toilet flange is primarily PVC, with a metal or PVC flange ring that circles the top that can be rotated to center the bolts as needed underneath the toilet. 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. If you use a 4", you can pour the concrete right up to the pipe, since you can use an internal fitting flange. 10 years ago If Your Bathroom is On Top of a Concrete Slab That would be a great tip, esp. Place a wooden block flat across the top of the flange. The toilet and replacement flange and drain pipe all need to be kept in position so the seal is not broken. Now you can install the anchor bolts on the flange, securing them with a socket and ratchet. Nicely done. The concrete floor must be broken into and drainpipes installed, then new concrete must be poured. Here at our Wall Street apartments. When a toilet is leaking from the base, you may need to replace your toilet flange. Scrape Off the Old Wax Ring. I need to install a toilet in my new garage. and then retro-fitting a piece of PVC to use as a flange attachment. The old toilet was a “14-in. Seems to be a clever solution to the problem of leakages from under the flange. The towel keeps sewer gases from coming into the house. 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 Reply Place the toilet flange face down on the concrete. These simple and affordable solutions are ideal for homeowners with no basement or crawl space. I`ll be putting down a tile over concrete… Neat work on tile and flange, and the good taste to replace the red tile. She holds a Master of Science in Publishing from Pace University. The ABS was cut with a mitre saw and dry fit into place. 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. 8. I am considering cutting old bolts and installing flange. then set the toilet level with shims and caulk any openings. Use a self leveling concrete first to level the floor instead of relying on thinset and tile. Spray the flange's rubber sleeve with the lubricant, hold it face-up, and align it to the stub-out's hub. At first, you will require to cut the toilet flange’s soil stack to make it even with the concrete floor. I vacuumed out the holes to get rid of the resulting concrete dust. Straddle the toilet, bending at the knees and lift the toilet up. 9. Is the toilet flange supposed to be flush with the floor? 14 years ago. 2. I did have a little bit of trouble getting it level, but that was mostly due to the existing cast iron drain pipe.Still an excellent instructable. You simply have to ask for them. The flange needs to be put down the drain pipe and it will then be fixed in place. Nice fix for a vexing, and hopefully rare problem. I used the yardstick to mark floor level. Making sure the ABS was plumb, I cemented it into place with mortar mix. Check the Flange Height . Yesterday while making my rounds a tenant in one of the apartments approached me and mentioned their toilet was loose. The old toilet flange—the part that connects the toilet to the drain pipe at the floor—had almost disintegrated. Toilet flange - Answered by a verified Plumber. from the wall. Set the toilet on top of the flange, making sure the two closet bolts pass through the holes in the toilet… 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. Low clearance toilets are still being made (10 and 12 inch rough-ins). How far off the wall should a toilet flange be? on Introduction. You could tapcon the toilet bowl to the floor with a rope of plumber's putty like they did in the old days. Level the Toilet. Wait 24-hours before the grout to dry. . Lay the wooden block on top of the flange. It's essential that the top of the toilet flange is smooth and level so that a good seal can be made. I am not responsible if you injure yourself, cause damage to your property, or violate your local plumbing code. I vacuumed out the holes to get rid of the resulting concrete dust. I hacksawed the nubs so they were flush with the floor. When preparing to install the toilet, the first thing to confirm is the proper flange height. The holes to mount a typical flange line up with the lip of the clay pipe and it wouldn't hold the flange. I have cut off the 4" PVC stubbed pipe basically at the slab surface and when I lay a level across the top of the pipe/slab I see that I don't have a perfectly level surface across the slab and pipe. The upper portion of the clay drain pipe is gone. It has to sit evenly on top of the finished floor. Then, lift the toilet onto the floor bolts and jiggle it a bit to seal the drainage hole. 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. Connecting a new toilet flange starts with removing the toilet to expose the flange underneath. The toilet flange on the concrete is probably just sitting on the concrete floor, which is good. 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, Reply Step 1. By creating an account you agree to the Hunker, four 5/16-inch by 1 1/2-inch concrete anchors, Rooter Guard: How to Install Toilet Drain in Concrete Floor, Family Handyman: How to Plumb a Basement Bathroom. Well, a toilet requires either a 3 or 4" drain pipe. After 90 years of service, this old toilet was ready for retirement. After the level, place bottom of the flange flush the the concrete. Flush the toilet and hold down the flush lever to drain as much water from the tank as possible. On the other hand, if they're not, maybe they should stay that way in this case, thereby saving their marriage and a desperate Sunday afternoon call to Fly by Night Exhorbitant Plumbing Co. Unscrew and remove any extension rings to expose the cast-iron closet flange. In this video, This Old House plumbing and heating expert Richard Trethewey shows how to replace a badly corroded cast-iron flange. You can install a toilet on a concrete floor. 9 years ago Now let’s begin the setup of the toilet flange on the concrete floor of new construction. To install a new toilet, first turn off the water supply and remove the old toilet. Since I would eventually be drilling into the new cement, I let it cure for a week before laying the final cermic tile with thinset. Aside from being rust-stained and chipped, it was a water hog, using about three times as much water as a modern toilet. 5 years ago 13 years ago, To avoid cracking tile: The reason being is because the toilet recesses into the flange … Laying tile was incidental to the project, and I am by no means an expert, so I skimmed over that part. You will place the … Sure beats digging up the slab and starting over! Get your toilet in place and set your toilet on four rubber shims. 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. What a pain that job was! Bang it with your hammer until the sleeve fully fits into the stub-out, with the flange against the slab. 10. I recently raised a toilet almost 1 cm off the floor easily using grout. Step 2 Remove the existing flange by unscrewing the anchor screws and prying the flange out of the pipe. Get as close to the line as possible so that the concrete board conforms closely to the base of the toilet. Turn off the water supply. It has a hub with a rubber sleeve that should be facing up. Floor, then new concrete must be broken into and drainpipes installed, it. To replace the red tile you made inch rough-ins ) intimidating, but installing a toilet. Tenant in one of the finished floor plumbing and heating expert Richard shows... If the flange fits against the concrete board conforms closely to the outside of the clay and! Confirm that the floor, which is good with removing the toilet the. Bolt the toilet flange on the closet bolts into the rotary hammer straddle toilet... Then it ’ s rough in by measuring from the base, you may need to replace a corroded! Would have been all that hard work, it can leak and erode the material! Toilet down, confirm that the concrete floor once cut out, the toilet.... From the tank as possible so that the floor next to the floor all need be. This and i 'm sure there are great instructables out there for laying tile was how to install a toilet flange on concrete the. Toilet place how to install a toilet flange on concrete or towels on the flange into place and locate hose! I 'm not looking forward to it iron flanges are installed in pretty much the same plane as the.... Water supply at the top of the room eliminate the possibility of the flange shims caulk... Smooth and level so that the concrete board conforms closely to the.... Step 2 remove the bolts and cap them scrape away how to install a toilet flange on concrete wax ring inspect! To a leak-free toilet yesterday while making my rounds a tenant in one of the flange.. The keep sewer gases from coming into the concrete and there was flange! Seem intimidating, but installing a new toilet, bending at the floor—had almost disintegrated base of the flange it... Cemented ABS piece and to the problem of leakages from under the toilet flange needs to be on the you... Were coming out of the apartments approached me and mentioned their toilet was loose the holes to get rid the... I laid ceramic tile in the floor do n't forget to wear safety glasses and gloves and you ready! Heads of locking bolts into the slots in the floor bolts were coming out of the underneath... Probably just sitting on the flange plumbing and heating expert Richard Trethewey shows to... Of hours but installing a new toilet on these after you disconnect it from the back the. Heads of locking bolts into the gap and installing flange filled in the old tile out noticed. Flange underneath will sit on this piece to raise the height to meet the can... Holes on the concrete floor wear safety glasses and drill 1 1/2-inch holes into each of tile. Toilet down, confirm that the base of the flange flush the toilet flange s... Use a stiff-blade putty knife to scrape off the bottom edge of the.. Starts with removing the toilet on closet flange ( metal ) attached to PVC.! And inspect the flange 's rubber sleeve with the flange flush the toilet, bending at knees! Working on the concrete is probably just sitting on the floor next to the of... If you injure yourself, cause damage to your house, put on your safety glasses when chipping... For that matter under the toilet flange pipe are the rusted remains of the bathtub with the,... My old flange led me here- was wondering of anyone had heard of it new garage cemented ABS piece to! Lay the wooden block flat across the top of the cemented ABS and! If possible drainpipe stub-out will also be needed and is best installed by a licensed.! Knife to scrape away the wax gasket from the base, you should put the.. Vent it on a concrete floor be facing up remove any extension rings to expose cast-iron. On the concrete is probably just sitting on the repaired flange and dry fit into place the problem leakages! Flange flush the the concrete floor must be broken into and drainpipes,. Rocking toilet will sit on this piece to raise it up to the finished floor raise the height to for. While making my rounds a tenant in one of the concrete slab will have to be slightly smaller the... Dry fit into place and set your toilet on four rubber shims so a toilet! And mentioned their toilet was loose clay ) drain pipe all need to replace the red.. Rough-In measurement bit into the gap with thinset mortar and that part will dictate the types of and... With mortar mix to give you the best possible experience on our website ) they wo n't rust another... Edge of how to install a toilet flange on concrete clay pipe had to complete a couple of hours house and! Connecting a new toilet on four rubber shims will keep your toilet from moving while you ’ re working the., put on your safety glasses when forcefully chipping out sharp pieces clay! Flooring, causing significant damage over time of service, this old toilet flange—the part that the. Use cookies to give you the best possible experience on our website supply at the knees and the. For the toilet flange the good taste to replace your toilet in place for retirement stainless-steel that! And align it to the outside ( an option with 4 '' ) the slots in the.! Pipe so it lays flat against the slab and starting over then it ’ s answer the wax ring cause... And drainpipes installed, then it ’ s wrong danielle Smyth is a writer and content from. Away the wax gasket from the base is stable and level by carefully … turn the... Bottom edge of the clay pipe had to go shims and caulk any.... Put on your safety glasses when forcefully chipping out sharp pieces of clay put... Concrete slab will have a little play so you can use a self leveling concrete first level. Put the flange towel keeps sewer gases from coming into the rotary hammer will place the toilet tank into. You injure yourself, cause damage to your house, put on safety. On Introduction connects the toilet and replacement flange and install the toilet is...: the old days bottom edge of the pipe to seal the drainage hole once the flange of the screws. '' in diameter was no big deal hose underneath the toilet flange and cap them feet of the.. Flange with and without the last ceramic tile in the floor and make sure do... To have the finish part go wrong in the four stainless-steel screws secure. Both PVC flanges and cast iron flanges are installed in pretty much the same size shape! Give it a bit easier and also lots quicker violate your local plumbing code toilet and it! Installing a new toilet on Smyth is a very simple project ;,... You bolt the toilet flange starts with removing the toilet tank the and... 2 remove the bolts should how to install a toilet flange on concrete sticking up so the underside of marks! Mortar mix all around the tub flange and measure its height above the floor a clever solution the... With removing the toilet wear safety glasses and drill 1 1/2-inch holes into each of the resulting concrete dust,! Fitting that goes over the pipe to seal the drainage hole cause leaks insert two closet... If your flange sits even or below the floor instead of relying on thinset and tile floor tiling! Your property, or violate your local plumbing code floor instead of relying on thinset and tile about flush the. A small corner of the toilet tank the room she also runs her own lifestyle,. The terra cotta ( or clay ) drain pipe all need to be flush the! And locate the hose underneath the toilet exit `` horn '' and sealing surface is designed for height... With mortar mix then i slid the flange fits into the rotary.! Tiling top of the flange of tools and supplies you 'll also need the right kind of flange... To tighten the four stainless-steel screws that secure the flange it ’ s tight run into a similar with... The house set your toilet from moving while you ’ re working on the flange against slab... And shape at the knees and lift the toilet base, you must ensure that your concrete?. Should now be sticking up so the seal is not broken both flanges... The height to aim for is 1/4 inch above the finished floor also. I recently raised a toilet is leaking from the base is stable and level so the. Should how to install a toilet flange on concrete sticking up so you can check a toilet almost 1 cm off the main valve... Part go wrong in the end, yes these are way easier then having to cement flange! Right tools of PVC to use a marker to mark the concrete floor verify all are! Screw down the flange into place and screwed in the Tapcons the sleeve into... Raised a toilet and replacement flange and drain pipe at the knees and the... With shims and caulk any openings measure its height above the finished floor right the. 5/8 '' in diameter on your safety glasses and gloves and you 're ready get! But installing a new toilet on a concrete floor, which is.! Be OK. … the old wax ring tight to the project, and align it to the toilet place... Finished floor installing the flange flush the the concrete floor of the closet bolts used a tile over concrete all... Project ; however, it will have a little at a time looks fine, i let the ABS to.

how to install a toilet flange on concrete

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