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Old 08-12-2005, 01:43 PM   #1
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Toilet installation


Renovation project: I am ready to install a new toilet where the old one was...I have an old 4" cast pipe in the floor but no closet flange. can't remember removing it..? maybe there never was one.

1) Anyway, I need to mount a closet flange over the 4" cast pipe. CORRECT?

2) What type do I use? There are ones that are all cast iron, some are plastic.

3) Then, do I need to bolt this to the floor (tile & concrete)?

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Old 08-13-2005, 12:41 AM   #2
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Toilet installation


Quote:
Originally Posted by markymark
Renovation project: I am ready to install a new toilet where the old one was...I have an old 4" cast pipe in the floor but no closet flange. can't remember removing it..? maybe there never was one.

1) Anyway, I need to mount a closet flange over the 4" cast pipe. CORRECT?

2) What type do I use? There are ones that are all cast iron, some are plastic.

3) Then, do I need to bolt this to the floor (tile & concrete)?


1) Correct

2) If you decide on cast iron, hire a plumber because there would be lead and oakum involved. However, you can install a pvc one that is made to fit inside the 4" they are sold at the big box stores.

3) Yes, it is a always agood idea to anchor the flange to the floor.

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Old 08-13-2005, 05:28 AM   #3
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Toilet installation


Cast iron would be the strongest, plastic is fine. I would stay away from these plastic ones with steel rings. The rings just rot out. There are plastic flanges with cast rings also. They would be the best of both worlds.
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Old 08-13-2005, 08:37 AM   #4
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Toilet installation


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Originally Posted by MinConst
Cast iron would be the strongest, plastic is fine. I would stay away from these plastic ones with steel rings. The rings just rot out. There are plastic flanges with cast rings also. They would be the best of both worlds.
The other nice thing about cast iron is once you pour the joint and caulk it you don't have to secure it with shields.

The pvc flange I'm referring to is a repair flange that has a rubber gasket on it that makes the connection when tightened. The ones that tighten with an allen wrench are best. These repair flanges are all plastic includung the ring, so securing them is really important.

They have pvc flanges with stainless rings now because there have been so many problems. But, I have never seen one with a "cast ring".
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