Zen83237 wrote:
"Kipper at sea" wrote in message
On Jan 30, 8:40 pm, "Zen83237" wrote:
ok it stopped raining long enough on Thursday for me to pour the concrete
for the footings of a greenhouse. ok no rain but of course now frost. It
is
covered with timber and a tarpaulin but when is it safe to take the cover
off?

After 24hrs or as long as you like after 24hrs. The longer the better.

OK I can leave it a few days and no cat's paw prints either.

No cat? You did check where it was before you poured?

--
Adrian C