PVC vs. Cast Iron toilet stack

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    • #279446
      Denniejj

      We’re debating the need to replace our 100 year old toilet stack with PVC. We need some professional opinions: what are the downsides to working with either material?
      Thanks!

    • #300885
      Retired plbg1

      Either one is ok to work with if you know how. Cast irn is heavy need cutter to cut it are sawsall and torck wrench for bands. Pvc is light, need saw gloves glue cleaner, eye protection. Better just have Plumber do it because when taking out old iron the stack has to be supported.



      Art retired plbg

    • #300886
      Bendychicken1

      Have a plumber instal cat iron. If cabling is ever needed from the roof, the cast iron wil stand up to the abuse.
      ever see what happens to a pvc stack when a sewar machine is left on while the plumber goes done to sound out a line? hmmmm….spining metal cable inside of a bone-dry pvc pipe……….no water to cool the heat created by the friction…….pvc turns into a wet noodle……….cable cuts a line right down the tip off the stack to the shingles. I like cast iron.

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