One common standard toilet flange size is 4×3, and this is the measurement you will find beside most flanges available at your hardware or plumbing stores. The 4×3 size refers to the two diameters in the flange pipe.
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What size flange do I need for a toilet?

Standard Size The ring has slots for the bolts that hold the toilet down. The flange pipe can have a diameter of either 3 or 4 inches, depending on the size of the waste line, but a 4-inch hole works in both cases. Plumbers cut it with a hole saw or a reciprocating saw.

How do I choose a toilet flange?

With the toilet removed, you can see the toilet flange and measure its height above the floor. The optimum flange height to aim for is 1/4 inch above the finished floor. This typically allows for almost any type of wax ring to be used and still ensure a good seal.

Are toilet flanges universal?

Toilet flanges come in six different types and three standard sizes with the option of an odd fit. The types are based on the material from which they are made, that is aluminum, copper, brass, stainless steel, plastic, and cast iron. The sizes also range from a four by three, four-inch, or three inches flange.

Are toilet flanges standard?

The standard flange size is 3 inches in diameter. The standard plumbing hole for a toilet is the flange, the waste pipe that fits through a hole in the floor. Comprised of two parts — a pipe and a ring bolted to the floor — the flange will connect the toilet to the household’s waste line.

Does toilet flange go inside or outside pipe?

This toilet flange is designed to glue on the inside of the pipe or expand inside the pipe. Leave the old toilet flange right in place and glue on the new one at the right elevation for the floor, if it’s plastic. The flange should be sitting with the bottom edge flush with the top of the floor.

How far from the wall should a toilet flange 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.

Should toilet flange sit on top of tile?

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. The spacing of the toilet exit “horn” and sealing surface is designed for this height.

Should the toilet flange be flush with the floor?

Replacing or adjusting the height of your flange. When you install your toilet flange, it should be installed on top of the finished floor, and it should also be installed perfectly level. If your flange sits even or below the floor, then it’s wrong. It has to sit evenly on top of the finished floor.

What happens if toilet flange is too high?

When your toilet flange is too high, your toilet may leak water and rock back and forth when used. Both the leaking and the rocking can warp or break the floor. A leaking flange can also rot the subfloor and lead to the accumulation of mildew and mold.

What if toilet flange is too low?

Low toilet flange is a common problem when installing a new (or in my case thicker mortar base). Unless your toilet is properly mated and sealed to the waste pipe, you may face problems related to sewer gas odor (it’s very unhealthy and unpleasant) and/or fluid leaks.

How do you know if you need a new toilet flange?

  1. Any leak from the bottom of your toilet.
  2. Unpleasant odors.
  3. A loose toilet that shifts or rocks.
Do you have to glue toilet flange?

pvc flange should be glued into a pvc pipe. IT would have been less of a problem if a plumber had made the replacement. Use a “good” flange and you will not have to do it again. Caulk is NOT glue.

What are the standard dimensions of a toilet?

Standard toilet dimensions are typically between 28–30″ deep, roughly 20″ wide, between 27–32″ high, and have a rough-in between 10–14″.

How long should toilet flange screws be?

Re: Screws? I use deck screws for setting those, usually 1″ or 1 1/2″ will do the lug 90 and 1 1/2″ or longer for the toilet flange. Re: Screws? For PVC flanges I use #14 screws 2″ long.

Can you put a new toilet flange over an old one?

Either slide the new closet flange bolts into the old flange before adding the extender or add them after you adhere the extender to the old flange. Consequently, we chose to add one of the bolts to the old flange first since it was a tight fit. Add metal washers and nuts to the closet flange bolts.