Harry Bloomfield, Esq. wrote:
R D S pretended :
Having had no bother and it being zero and under recently around these parts
i'm wondering at what sort of temperature you'd actually get freezing?

Any temperature sub-zero is cold enough, but it also depends on how
long it it below zero.

However MDPE (black or blue) seems to be quite OK when frozen, we have
quite a bit of exposed MDPE pipe outside and it has been frozen and
thawed quite a few times over the years with no apparent ill effects.
(It feeds a couple of horse waterers so temporary blockage doesn't
matter)

--
Chris Green
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