It requires no maintenance and can last 30 or more years, often as long as the toilet itself. But sometimes wax rings can dry out, crumble, and fail prematurely. When that happens, they need to be replaced.
Whenever you remove a toilet for any reason, replace the wax ring seal between the toilet and the toilet anchor flange (sometimes called a closet flange) attached to the floor. Anytime a wax seal is replaced you should replace the T-bolts that attach the toilet to the toilet flange.
The short answer is, indefinitely. Wax, unlike rubber, doesn't deteriorate. Unless there's another problem with the toilet, it won't spring a leak on its own. People usually replace wax rings when they remove the toilet for some unrelated reason.
Signs of a Faulty Wax Ring. A faulty wax ring, or one that is going bad, may produce any number of telltale signs. These include leaks, bad smells, or a wobbly toilet.
The only-when-flushed toilet leak could be caused by loose mounting bolts or a worn-out wax gasket while the all-the-time leak could be caused by a loose water supply line connection, a problematic water shutoff valve, or a faulty seal between the toilet tank and its base.
As a result, having a local plumber replace your toilet's wax ring can be anywhere from $75-250 depending on the cost of the trip charge and whether anything else is discovered in the process that needs fixing.
🚽 Caulking Prevents Water Contamination
It could be water splashing out of a bathtub, mop water, water from a shower and even misguided potty training from your young boys who seem to miss the toilet bowl every single time! Without caulk around the toilet base, water can get under there and sit for a long time.
The wax ring is exactly what it sounds like: a ring made of sticky wax that helps form a watertight seal between the bottom of the toilet and the sewer pipe. It requires no maintenance and can last 30 or more years, often as long as the toilet itself. But sometimes wax rings can dry out, crumble, and fail prematurely.
It can vary depending on your location and how quickly you need it. $90-$120 is a good ballpark. If you are having other plumbing work done, they might do it cheaper, and if they have a large travel fee, you may pay closer to $150.
When it works properly, the wax ring creates a watertight seal between the toilet base and the drain pipe. Unfortunately, wax can fail over time, leading to water leaking onto the floor. The good news is that popping on a replacement wax ring will fix the problem.
If the toilet's floor flange height is slightly less than 1/4 inch above the flooring, you can use an extra-thick wax ring to make up the difference. Do not be tempted to stack up two wax rings because this setup tends to leak.
Wax-free toilet seals are made out of a heavy duty rubber, so they're flexible enough to shimmy into the flange without smearing a wax ring. Wax-free seals can also be reused. As long as they're still attached to the bowl in good condition, you can reinstall the toilet without replacing the seal.
In an effort to dislodge whatever is clogging the toilet, many homeowners get overzealous and thrust too hard downward into the toilet with their plunger. A hard thrust downward can break the wax seal between the toilet and the floor, causing a leak. And a really hard thrust could even crack the bowl.
However, consulting my copy of Creative Homeowner Plumbing book I see they recommend "Install the new wax gasket on the toilet flange. Press the bolts into the wax to hold them upright." Next step, "using the closet bolts as guide, set the bowl onto the flange gasket..."
In order to prevent problems with your new wax ring, it is helpful to know what commonly causes problems with this important little gadget. First and foremost, a loose toilet will often cause a wax ring to lose its seal and leak.
One very common cause of wax ring problems is loose toilets. If the toilet is not firmly mounted, or gets loose to the point where it rocks a bit, it can cause the wax ring to lose its seal. When installed, a wax ring is compressed to fit the flange and the toilet, creating the seal.
If there is no caulk, any water that creeps underneath the toilet can remain undisturbed for some time. It will soon start to stagnate, providing a breeding ground for mold and fungus. The application of caulk to the toilet prevents this from happening, and the bathroom is healthier as a result.
It is recommended that you use a silicone base caulk due to its waterproofing capabilities.
For years, wax rings have been plumbers' go-to options for making these types of toilet repairs. Although, the term “wax” can be a bit misleading. Some seals are made from beeswax, but others are constructed from petroleum or other ingredients.
A regular wax ring is all you need if the flange is set on top of the finished floor. Oatey® Heavy Duty Wax Bowl Ring can be used to set any floor type closet bowl. A thicker wax ring is used when the flange has already been set on the subfloor and is flush with the tile instead of sitting on top of it.
So, what's the cause? Leaky loos are usually caused by a faulty flush-valve or fill-valve inside your tank – predominantly on dual-flush WCs. It can happen with any WC brand and type, but most leaky loos are the result of a failure in valve seals. These failures can happen on old and new WCs.