Darren Posted October 15, 2016 Report Posted October 15, 2016 Has anyone seen this before and what is the cause? House built in 1980. Click to Enlarge 45.97 KB
Bill Kibbel Posted October 15, 2016 Report Posted October 15, 2016 It looks like "flux induced corrosion". Plumber didn't wipe the joints. 1
Charlie R Posted October 16, 2016 Report Posted October 16, 2016 I agree with Bill, my home was built in 1969 with copper supply and drains, and I have about half the joints looking like your photo.
Stewart333 Posted December 5, 2016 Report Posted December 5, 2016 The same in my house, all copper pipes...
dennispalmer Posted July 18, 2018 Report Posted July 18, 2018 It normally happen to copper pipes. I have seen the same issue with all copper pipes in my old house that was built in 1975. It is caused by an excess amount of flux residue.
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