AndrewFlannigan
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Simple question, not so simple answer. The main distribution system appears to use mostly concrete in sand. Within new build estates and for most urban and suburban renewal, MDPE (a form of polythene) is now standard, with certain exceptions.What are mains water pipes made of? Genuine question as I don't know. Even if the pipes are flexible I imagine the fittings are not.
More than you probably want to know can be found here: https://www.anglianwater.co.uk/site...ter-supply-pipes-prior-to-connection-2019.pdf


