REPAIRING OLD LEAD SOLDER JOINT

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    • 11 Oct 2006 at 10:14 am #277918
      Avatar photoMasterPlumbers
      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.

      • 11 Oct 2006 at 9:56 pm #297377
        Avatar photoPLUMBILL
        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.

        • 15 Oct 2006 at 10:56 am #297378
          Avatar photoRetired 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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