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Posted by teshaf on November 20, 2006, 12:51 pm
Thanks Bob: Had a plumber come look today he said it should be dug up
and replaced so that is what I am going to do. The patch worked but is
only temparory so I may as well get it fixed right and be done. Thanks
for the reply.
Terry
BobK207 wrote:
> teshaf wrote:
> > I have an old cast iron waste pipe which has a hole about 2 inches. I
> > put a patch with screen and a compound with a firmco clamp over it.
> > stopped the leak for now. Question can this be repaired without digging
> > the cellar floor up. The hole is about 1/2 inch out of the floor. Maybe
> > a sleeve that will fit inside the 4 inch pipe and slip over the outside
> > with an expandable inside and compression outside? Or is the oly remedy
> > to dig the floor up and replace the whole pipe(I know this is prpoer
> > but money is a factor right now)>
>
>
> Sounds like you've fixed it fine (for now).
>
> Depends on what caused the original hole, if the pipe is relatively new
> & it was damaged mechanically then I'd for get about it until funds are
> available.
>
> If it's old (40 to 50+ years) then you probalby headed for replacement,
> sooner rather than later.
>
> My 75 year old house had all of the crawlspace laterals (cast iron)
> replaced at ~70 years (about 10 years too late) the verticals all were
> ok. Plus the laterals service the laundry & kitchen....harsh chem
> waste (bleach, diswasher soap)
>
> If you do any repairs make sure the internal surface is a smooth &
> unobstructed as possible...maybe a rolled piece of aluminum shim stock
> (or thin spring steel) as an inner wall form for any patching
> compound.....outside doesn't matter so much.
>
>
> There are techniques (pipe bursting or relining) that don't require
> digging but they're not DIY friendly. I don't think pipe bursting
> will work for pipe near the surface.
>
> cheers
> Bob
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