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  1. Q

    Cast Iron Sewer Pipe question

    Can anyone think of a way to figure out what that yellow stuff is without risking a hole from chipping too much away? I don't have a gas spectrometer but if you do I can send you a bit for a test.
  2. Q

    Cast Iron Sewer Pipe question

    Thanks for the info Sparky. So if those old drain lines are just packed with something and soldered how would I get them apart? Heat the whole thing up with a propane torch? Is the packing something that would burn? I'm kind of afraid to take a steel brush to that yellow stuff because if it...
  3. Q

    Cast Iron Sewer Pipe question

    Thanks for the advice. Does anyone have any idea what those yellow areas are? I don't think Flex couplings are feasible because the space is so tight - it the flex couplings A new elbow would just fit if it could be welded in. Is that feasible?
  4. Q

    Cast iron drain: is the pipe or the joint more likely to fail?

    So soparklion11 - what did you end up doing? Do you find anything interesting? How much did it cost? Duck
  5. Q

    Cast Iron Sewer Pipe question

    I have a cast iron sewer pipe under the house that the toilet feeds into, it drops a foot or two and then bends (elbow) and joins the main sewer vertical. I noticed yellow "scabs" and one wet-ish yellow deposit on the pipe and I'm wondering if it is rotting from the inside? I'm going to try...
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