Forum for the discussion of any material/synthetics.Only posts with info /or links to research info allowed . Any posts recommend the use of any material without copy's or links to show proven research will be deleted
What works real well for sealing is an epdm o-ring that is placed on the inside edge of the copper pipe. When the other section is slid down the coupling you get a nice tight seal. This only works if you made sure to cut the copper straight and not use to much solder, otherwise you won't get a nice seal.