In article , Ben Blaukopf
wrote:
I wouldn't normally dip into a thread that others could answer far
better than me. But it sounds like complete bs to me. Waste pipes
are made from upvc, not copper.

Copper was the norm around 1960 though IME joined with lightweight
compression fittings.

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Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
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