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Plumbers....closet flange extensions....

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Plumbers....closet flange extensions....

Old 07-04-2019, 09:52 AM
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Default Plumbers....closet flange extensions....

Getting ready to renovate both bathrooms in the house (one at a time of course). Going to be pulling up the linoleum floors and putting down tile, I need to raise the the flange in bathroom upstairs about 1/2", and the flange downstairs about 3/4" to come out level with the hardwood floor throughout the rest of the house main floor (I HATE uneven floor surfaces) Are the flange extension kits reliable? The kit produced by Oatey looks like it will do the job nicely but it also looks like it reduces pipe size considerably possibly creating flow issues. What other options do I have other than cutting open the subfloor?
Old 07-04-2019, 10:06 AM
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Just put two or three wax seals on it.
Old 07-04-2019, 10:06 AM
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I've used this Oatey with no issues. They can be stacked for you thickness with PVC cement.

https://www.homedepot.com/p/Oatey-1-...5192/303864021

I also haven't used wax rings in quite a while. The Fluidmaster silicone ring is great.

https://www.homedepot.com/p/Fluidmas...0P24/205762183
Old 07-04-2019, 10:14 AM
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Originally Posted by Mud Runner View Post
I've used this Oatey with no issues. They can be stacked for you thickness with PVC cement.

https://www.homedepot.com/p/Oatey-1-...5192/303864021

I also haven't used wax rings in quite a while. The Fluidmaster silicone ring is great.

https://www.homedepot.com/p/Fluidmas...0P24/205762183

Yeah those spacers look like they allow better flow, the kit Oatey makes with the yellow flange and red spacers looks like it limits flow quite a bit.
Old 07-04-2019, 10:48 AM
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These are what I use forget about the extensions. You more than likely have 4 inch coming up. Cut and pull the metal ring off the existing flange then glue this inside the 4''. Bolt to the sub floor.

https://www.homedepot.com/p/Oatey-Oa...-305248440-_-N
Old 07-04-2019, 10:52 AM
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Also wax rings without the plastic horn are the only way to set a toilet IMO. No silicone gimmick or horn to restrict.
Old 07-04-2019, 05:32 PM
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Plumbers often cut the inside of the soil line, extend it with an inside coupling, and install a new flange. The flange does not hold the toilet to the floor, but holds the ring to the toilet.
Old 07-04-2019, 06:49 PM
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inside pipe cutter, couple on a new closet flange at correct height is how we do it at work, or heat gun the old one out if its pvc pipe
Old 07-04-2019, 10:02 PM
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Originally Posted by billinstuart View Post
Plumbers often cut the inside of the soil line, extend it with an inside coupling, and install a new flange. The flange does not hold the toilet to the floor, but holds the ring to the toilet.
The flange does hold the toilet to the floor and it should be bolted to the sub floor.
Old 07-05-2019, 04:52 AM
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Originally Posted by Captinlon View Post
inside pipe cutter, couple on a new closet flange at correct height is how we do it at work, or heat gun the old one out if its pvc pipe
this is how it should be done.,, or leave the toilet in place, tile up to it and add a thicker toilet seat
Old 07-05-2019, 05:08 AM
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Originally Posted by jbooker9 View Post
The flange does hold the toilet to the floor and it should be bolted to the sub floor.
Toilets must be levelled, shimmed, and caulked/grouted to the floor. The flange helps, but should not be the only method of supporting the terlet.
Old 07-05-2019, 05:11 AM
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Originally Posted by Gullpt View Post

this is how it should be done.,, or leave the toilet in place, tile up to it and add a thicker toilet seat
It's yer civic duty to replace an existing toilet with a new "low water usage" toilet to conserve water, and then flush it a couple times instead of once so it works properly.
Old 07-05-2019, 06:20 AM
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Originally Posted by jbooker9 View Post
The flange does hold the toilet to the floor and it should be bolted to the sub floor.
Originally Posted by billinstuart View Post
Toilets must be levelled, shimmed, and caulked/grouted to the floor. The flange helps, but should not be the only method of supporting the terlet.
I am not a licensed plumber but I have been doing remodeling and flipping houses for 20 years. You're both right, but I see where Bill is coming from, having read his posts on here for some time now. He seems to know what he is talking about.

While we are talking shit, what is the added benefit of using a flange as somebody else posted on this thread that has the stainless steel ring? I have had to cut out those in the past due to rust. I have never cut out a rusty pic flange. Discuss.
Old 07-05-2019, 07:47 AM
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Originally Posted by Wavehight View Post
I have never cut out a rusty pvc flange. Discuss.
Have you ever had to deal with a PVC flange that's broken due to some one over tightening the bolts to try to get the toilet to stop rocking ?
You can drill concrete for 1/4" ss anchor bolts instead of closet bolts where the pvc is broken.

Old 07-05-2019, 08:00 AM
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No. Most of the houses here are on crawl that I buy so they are easier to fix. Slab plumbing is a bitch to deal with.

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