Replacing A Toilet Flange On Concrete Floor

A toilet flange connects the bottom of a toilet to the drainpipe in the floor of the bathroom.

Replacing a toilet flange on concrete floor.

How to replace a toilet flange. The floor flange is a durable ring that fits over the drainage pipe creating a solid foundation for the toilet. There must be a 3 inch diameter drainage pipe rising up from the concrete as well as a water supply pipe coming from an adjacent wall. The first thing that needs to be done when installing a toilet on concrete is to make sure that the place you intend to install the toilet has the necessary pipes.

Most likely the builder had left the original closet flange unsupported in the concrete foundation. The flange should be placed over the pipe so it lays flat against the concrete floor. When the subfloor is concrete as is often the case with basement bathrooms or other slab foundation situations replacing the flange is no easy matter since it can be quite hard to drill holes in concrete to secure the new flange. Screw down the flange with a masonry drill and then fit the heads of locking bolts into the grooves on the flange.

Toilet flanges provide a stable surface that the toilet grabs onto through retaining bolts. Fix the toilet flange on concrete floor. Replacing a flange typically requires removing the. Also the flange was actually below the surface of the t.

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