[Shop-talk] Cast iron to PVC soil pipe adapter?

[Jim Franklin]

I was in HD yesterday and the only cast iron I saw was a toilet  
flange. Actually I saw about 12 different types of flanges. Oy.

I tore up the slab a bit and what I have is a wye and a 45 in the  
bull to make it vertical. This stuff is 80 years old. What are the  
chances the lead will come undone nicely without cracking the cast iron?

ObShop: This bathroom is for the shop :-)

jim

On Mar 8, 2008, at 5:04 PM, Karl Vacek wrote:

> Why not just use cast iron ?  It's not that horribly expensive  
> compared to
> the hassle of trying to reliably join PVC to cast iron.  And no  
> leading is
> required below grade nowadays - at least not here in the northeast  
> part of
> the Peoples Republic of Illinois, where the unions make sure we  
> have some
> pretty tight codes.  You just put in a rubber insert and lubricant,  
> and pop
> the fitting together.
>
> Karl
>
>
>
>> I'm adding a half bath in the basement and I'm toying with doing the
>> plumbing myself. My soil pipe is cast iron, laid horizontally just
>> under the surface of the slab. Then there are 2 45s to bring it
>> vertical. I need to yank out the 45s and insert a 90. I've seen
>> adapters online for inserting vertically PVC pipe into cast iron
>> flanges, but never horizontal where the water will theoretically sit
>> on the joint. Do I use the same fitting or is it a different process?
>> Is there a brand name fitting? Which sealant or caulk?
>>
>> thanks,
>> jim
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