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Old 02-27-2015, 06:51 PM   #1
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(Another) Flange Question: Old but good?


Hello -- My first post and I see that @diy888 had a very similar post today regarding an old flange. However, I think mine is in relatively good shape.

So, based on the pictures, do you think my flange is good to use still? It's either welded or somehow very solidly adhered to the drain pipe or sunk into the slab. I can't get it to move at all.

Can I go ahead with a wax seal and drop my toilet into place? Or, do I have to address that gap of missing slab around the edge of the flange? Anything else preventing me from moving forward?

Many thanks in advance,
tarek
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Old 02-27-2015, 09:34 PM   #2
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(Another) Flange Question: Old but good?


If the flange is sold and not moving, mount the toilet. Remember the flange is what holds the toilet. It needs to be solid.

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Old 02-28-2015, 08:42 AM   #3
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(Another) Flange Question: Old but good?


the bottom pic has a gap, the top doesn't. whats up with that ?
would you guys fill/seal this gap, or just leave it ?


anyway. that flange looks good to me.
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Old 02-28-2015, 09:58 AM   #4
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(Another) Flange Question: Old but good?


Quote:
Originally Posted by Fix'n it View Post
the bottom pic has a gap, the top doesn't. whats up with that ?
That's just the lighting on the photo. The gap is definitely there. And that was something I wondered about -- whether or not I should fill those gaps to reinforce the flange, say with quikrete or something similar. Would love opinions about whether that's necessary and if so, the filler material/product options. But as I said in my OP, it's very sturdy in its current state. And if the toilet base is resting on a level surface, I suppose there won't be a ton of load on the flange (or at least uneven load). Right?

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Old 02-28-2015, 12:03 PM   #5
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(Another) Flange Question: Old but good?


Every time some one wipes the buttocks they stress the flange.

I would dig it out as far as you can and use waterplug expansion concrete around the out side. Once it is dry install tapcons through the flange holes.

It is never good to rely on the pipe joint to hold a toilet.

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Old 02-28-2015, 01:05 PM   #6
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(Another) Flange Question: Old but good?


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I would dig it out as far as you can and use waterplug expansion concrete around the out side. Once it is dry install tapcons through the flange holes.
Thanks for the expansion concrete suggestion. The problem with the tapcon portion is that there aren't any mounting points/holes on this flange, aside from where the johnny bolts go. so I guess I'll have rely upon the original welding work and the concrete support. Thanks again for the reply though.
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Old 03-01-2015, 08:16 AM   #7
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(Another) Flange Question: Old but good?


i would fill the hole, not for support(unless it needed it). but for when it leaks, the water will not find it way under the slab. this could leave a problem unknown for a long time, causing possible other problems.


get some clay. put 2 balls of in on the flange. set the crapper. pull the crapper and see what the clay looks like. if its not completely mushed out = the crapper is setting on the slab and will be fine. just don't over tighten the bolts.
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Old 03-01-2015, 09:44 AM   #8
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(Another) Flange Question: Old but good?


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get some clay. put 2 balls of in on the flange. set the crapper. pull the crapper and see what the clay looks like. if its not completely mushed out = the crapper is setting on the slab and will be fine. just don't over tighten the bolts.
Great tip. I think I'm good to go now. Thanks all.
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Old 03-01-2015, 10:14 AM   #9
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(Another) Flange Question: Old but good?


did try to pry on that flange ? to see if it moves.
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Old 03-01-2015, 10:28 AM   #10
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(Another) Flange Question: Old but good?


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did try to pry on that flange ? to see if it moves.
I did with a flathead screwdriver, probably at about ~75% force. Didn't budge at all.

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