Unscrew the water supply line from the back of the toilet. Now, you need to connect the toilet. Nicely done. And a rocking toilet will distort the wax ring and cause leaks. With the toilet removed, you can see the toilet flange and measure its height above the floor. Once cut out, the toilet will sit on this piece to raise it up to the level of the flange. The use of these tools and the process of grinding concrete can be complicated, so you may wish to get help from a professional. You can see where I cracked the edge of the tile when drilling. from the wall. Place a wooden block flat across the top of the flange. on Introduction. 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. Thanks for your comments. This will dictate the types of tools and supplies you'll need to use for this project. The toilet and replacement flange and drain pipe all need to be kept in position so the seal is not broken. your job looks fine, i just figured my way was a bit easier and also lots quicker. I applied ABS cement to the inside of the cemented ABS piece and to the outside of the flange. Danielle Smyth is a writer and content marketer from upstate New York. The concrete floor must be broken into and drainpipes installed, then new concrete must be poured. then set the toilet level with shims and caulk any openings. OR you can do what I did . That’s normal with old toilets. She holds a Master of Science in Publishing from Pace University. The ABS was cut with a mitre saw and dry fit into place. I used the kind with the tapered wood screw type head so that once all the way in, they seated nicely in the recessed holes in the flange and held it tight. After the level, place bottom of the flange flush the the concrete. The toilet and replacement flange and drain pipe all need to be kept in position so the seal is not broken. 1. www.culwellflange.com is their site, I was hoping to get more info about it... 8 years ago 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. 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. I applied ABS cement to the inside of the cemented ABS piece and to the outside of the flange. I need to install a toilet in my new garage. In … Then proceeded with a normal toilet installation. 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. it will have a little play so you can set it level. Step 1. Don the safety glasses and drill 1 1/2-inch holes into each of the marks that you made. I wouldn't mind seeing a little more detail in how to do things, (e.g., "what's Thinset") [mortar, I presume] for those not in the know. It has to sit evenly on top of the finished floor. The first step is obviously to turn off the water supply. Is the toilet flange supposed to be flush with the floor? You will place the … I`ll be putting down a tile over concrete… I need advice regarding a toilet offset flange. The toilet flange needs to be on top of the finished floor. I`ll be putting down a tile over concrete. Bang it with your hammer until the sleeve fully fits into the stub-out, with the flange against the slab. Did you make this project? Turn off the water supply. It may seem intimidating, but installing a new toilet can be a DIY project that you can be proud of. Standard drywall is 1/2 inch thick, so the plumber should set the toilet flange at least 15-1/2 inches from the center of the flange to the wall framing. The finished floor is the slab itself. For the future tiling top of the flange would be about flush to the tiled floor. 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. It has to sit evenly on top of the finished floor. In this video, This Old House plumbing and heating expert Richard Trethewey shows how to replace a badly corroded cast-iron flange. The lower section is about 4 5/8" in diameter - perfect for accepting a piece of 4" ABS drain pipe. 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. 1) use a sharp carbide tipped masonry bit and squirt water on it periodically as you drill Meaning the bottom edge of the flange needs to be on the same plane as the toilet. The reason being is because the toilet recesses into the flange … FYI, 3" pipe for the toilet would have been all that is needed. This helps eliminate the possibility of the ring falling off the bottom of the toilet bowl. 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. Push down until the flange fits into the stub-out. and then retro-fitting a piece of PVC to use as a flange attachment. Use a stiff-blade putty knife to scrape away the wax gasket from the closet flange. Take your time and chip out a little at a time. Install the new toilet within six feet of the main soil stack in your house, if possible. First, you'll need to think about the type of floor you'll be installing the toilet on. Remove the bolts from the concrete anchors, place them in the four holes and hammer them into place. Tighten evenly but take care not to over torque. (the bit has to be slightly smaller then the bolts) they won't rust for another 40 years. there is all so a nohub toilet fitting that goes over the pipe for this kind of thing. Aside from being rust-stained and chipped, it was a water hog, using about three times as much water as a modern toilet. If Your Bathroom is On Top of a Concrete Slab 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. Check the Flange Height . Once you have your new toilet, you'll also need the right kind of toilet flange. 10. Nice fix. Twist-N-Set® Cast Iron Replacement Closet Flange. Before you buy a new toilet, get the rough-in measurement. Good luck! Wait 24-hours before the grout to dry. why all the trouble ? Learning to install toilet flange is a very simple project; however, it will require physical strength and the right tools. We use cookies to give you the best possible experience on our website. Scrape Off the Old Wax Ring. Once dried, remove the shims. I had to complete a couple of toilet flange installs on a concrete floor. Installing a Toilet Flange. The toilet flange needs to be on top of the finished floor . Now you can install the anchor bolts on the flange, securing them with a socket and ratchet. DISCLAIMER: I am not a licensed plumber. If you use 3", you should put the flange on the outside (an option with 4"). on Introduction. Placed over them and i am considering cutting old bolts and jiggle it a flush the. Damage to your property, or violate your local plumbing code let ’ s rough by. Tile and doing the final toilet installation for that matter types of tools supplies! And screwed in right tools a piece of PVC to use for this project nubs so they flush. Rare problem mortar mix seems to be secured to the drain pipe the... 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