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Old 01-26-2015, 07:30 PM   #1
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Toilet bowl leaks and rocks--Is flange too high?


I am trying to fix a leaking toilet. It leaks at the back of the toilet at floor level. The bowl also rocks front-to-back. So something is not allowing the toilet to seat properly on the flange that attaches to the sewer line.

How much higher than the level of the floor can the flange protrude into the base of the toilet bowl? Is it best for the flange to be at the same level as the floor? If so I will have to raise the subfloor.

I am planning to put down Allure vinyl flooring (from Home Depot). Should the vinyl flooring pieces go just up to the base of the bowl (rather than under the bowl)? This might allow expansion and contraction of the vinyl.

What about caulking around the base?

Thanks for your advice.

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Old 01-26-2015, 08:20 PM   #2
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Toilet bowl leaks and rocks--Is flange too high?


Flange should sit above the finished floor,

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Old 01-26-2015, 08:23 PM   #3
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Toilet bowl leaks and rocks--Is flange too high?


IS the flange fastened to the wood floor securely? Is your wood floor dry rotted. The flange is properly fastened should not move at all.
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Old 01-26-2015, 08:37 PM   #4
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Toilet bowl leaks and rocks--Is flange too high?


The underside of the toilet bowl must not touch the floor flange.

The toilet bowl assembly, when tested in position with no wax ring, must not rock on the floor.

Use shims to achieve the preceding two conditions.

When you install the toilet bowl with the new wax ring, don't push the bowl down until the shims are in place again. Then slowly push the bowl down until it contacts the shims and also contacts the floor where the shims do not hold the bowl above the floor.
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Old 01-26-2015, 09:06 PM   #5
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Toilet bowl leaks and rocks--Is flange too high?


Quote:
Originally Posted by AllanJ View Post
The underside of the toilet bowl must not touch the floor flange.

The toilet bowl assembly, when tested in position with no wax ring, must not rock on the floor.

Use shims to achieve the preceding two conditions.

When you install the toilet bowl with the new wax ring, don't push the bowl down until the shims are in place again. Then slowly push the bowl down until it contacts the shims and also contacts the floor where the shims do not hold the bowl above the floor.


Note---if the flange is high,but the toilet sits nicely when 'dry fit'--you may want to use a simple all wax ring --some of the rings with the plastic horn will not compress enough when a high flange is present.
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Old 01-26-2015, 10:01 PM   #6
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Toilet bowl leaks and rocks--Is flange too high?


Thanks, gentlemen, for your questions.

The bathroom floor covering was carpet. The toilet bowl is ringed with carpet tack strips with padding in between. The padding has no "give" and had probably gotten wet and dried out. The padding and carpet will be replaced with Allure vinyl tile squares that look like ceramic.

I believe the wood around the flange is not dry rotted. The flange surface is not parallel with the sub-floor. It sticks up about 3/8" on one side and 5/8" on the other side. The flange appears to have two parts. An upper ring is bolted to the lower part with three bolts. The flange is rigid. It may not be anchored to the sub-floor, but I will have to remove the upper ring to get a better look.

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