How long should toilet flange screws be?
Christopher Snyder
Updated on May 29, 2026
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Regarding this, what screws do I need to install a toilet flange?
Use Tapcon or similar masonry/concrete screws to fasten the toilet flange to the concrete slab. If using a plastic flange ring such as the Sioux Push Tite flange, be careful not to crack the ring by screwing in too far. With the toilet flange in place, you are ready to install the toilet with a new wax ring.
how high above the floor should a toilet flange be? With the toilet removed, you can see the toilet flange and measure its height above the floor. Optimum flange height to aim for is 1/4 inch above the finished floor.
Similarly, you may ask, should I screw down toilet flange?
5 Answers. 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. The flange should be fastened to the floor. Dry fit the toilet to make sure it doesn't rock.
Do you glue toilet flange?
This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. If it isn't, then you will have to cut away the old flange. If the plastic pipe has a 3-inch inside diameter, you'll have to remove the old flange from the outside of the pipe.
Related Question AnswersHow far from the wall should a toilet be?
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 standard distance from the back wall is 12 inches, or 12-1/2 inches from the center of the flange to the wall framing.What is a flange on a toilet?
In plumbing, a closet flange (also known as a toilet flange) is a pipe fitting (specifically, a type of flange) that both mounts a toilet to the floor and connects the toilet drain to a drain pipe. A wax ring is used to seal the gap between the flange and the bottom of the toilet.Should toilet flange be flush with tile?
5 Answers. The toilet flange needs to be on top of the finished floor. Meaning the bottom edge of the flange needs to be on the same plane as the toilet. So if your toilet sits on the tile, the flange needs to be on top of the tile too.Should you caulk around a toilet?
Turns out, caulking your toilet to the floor is actually smart. These clients say that caulking around the base of the toilet would trap water from a leaking toilet, causing damage below and around the toilet since it has no place to leak onto the floor.Can toilet flange be lower than floor?
In a typical toilet installation, the floor flange that sits inside the drain opening below the toilet should be flush with the finished floor, or no more than 1/4 inch above or below the floor.Can toilet be installed without flange?
2 Answers. The flange and accompanying bolts hold the toilet firmly to the floor and keeps the seal between the toilet and the floor. Without the flange or if it is broken, he would have to attach the toilet to the subfloor with wood screws, and if the floor is rotting out, those won't last long.What does a toilet flange look like?
The toilet flange, also known as a closet flange, is the part of the toilet that secures the unit to the floor which 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.Why does my toilet rocks back and forth?
The flange bolts that secure the toilet base are themselves held by a metal or plastic ring at the top of the toilet flange. The ring can corrode or break, loosening its grip on the bolts. If your rocking comes back after ?a while, or if the bolts loosen up and won't retighten, a damaged flange is likely the cause.How do you fix a broken toilet flange?
Hook the heads of the closet bolts to the underside of the repair plate, repair ring or push-in replacement and center them in the tracks. Place a new wax ring on the flange opening, replace the toilet and bolt it to the flange. Replace the supply hose and turn the water back on.Does toilet flange need to be level?
The toilet should sit on the floor over the flange and still have a little room above the flange for wax to make the seal - it must be shimmed to sit flat, if it rocks (before you install the wax ring). If the toilet sits ON the flange, you won't be able to keep it sealed properly.What is the best toilet flange?
- 1.1 Plastic Oddities Offset Toilet Flange (POF100)
- 1.2 LaSalle Bristol (6336345) Toilet Closet Flange.
- 1.3 PlumBest C54402 3-Inch by 4-Inch PVC Offset Closet Flange.
- 1.4 Oatey 42777 Moss Bay Replacement Flange.
- 1.5 PASCO 21013 Toilet Flange.
- 1.6 Zurn CF2984-CI4 Cast Iron Torque Set Deep-Bodied Closet Flange.
How do you install an offset toilet flange?
Position an offset toilet flange over the soil pipe and measure from the center of the flange to the wall to find the mounting angle and position closest to 12 inches from the wall. Mark the outline of the offset pipe beneath the flange onto the floor below with a pencil.How do you know if the wax ring is leaking?
The first clue that a wax ring is failing is often the presence of water on the floor around the base of the toilet due to the toilet ring seal leaking. Smelling an unpleasant odor is another sign that the wax ring seal is broken, which allows sewer gasses to seep into the bathroom.How do I know if my toilet is leaking from underneath?
5 Signs Your Toilet Is Leaking- Your Toilet Makes Noise. If your toilet makes noise after you flush it means that the water is still running.
- The Floor Is Stained Around The Toilet.
- The Toilet Leaks From The Bottom Of The Tank.
- The Floor Is Damp Around The Toilet.
- There Is A Smell Of Sewage.
- Toilet Replacement.