REPAIRING OLD LEAD SOLDER JOINT

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    • #277918
      MasterPlumbers
      Keymaster

      CAN A LEAK IN AN OLD LEAD SOLDER JOINT BE REPAIRED BY USING SILVER SOLDER OVER THAT JOINT. TO REMOVE THE JOINT (IN CONCRETE SLAB) IS ALMOST IMPOSSIBLE.
      I PLAN TO DRAIN THE WATER FROM PIPES AND SILVER SOLDER THE LEAK. I AM WORRIED THE LEAD SOLDER WILL REACT OR CAUSE A PROBLEM WITH THE 2%SILVER SOLDER.

    • #297377
      PLUMBILL
      Participant

      Yes you can do it, but why not use the plumbing safe solder that they sell in home coenters and hardware stores? If you don’t know what you are doing silver soldering can be very hard.

    • #297378
      Retired plbg1
      Participant

      You cant use silver solder on lead. First place the solder you got is not silver solder it is Flux solder a high heat solder, before that solder would melt you would have lead melted and also solder, Use 50/50 solder and clean lead and put solder paste on and solder up hole, let me know.

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