UPDATE: I went back to the concrete side walk that was the subject of my August 2000 post. The whole area the was affected by the heavy rain shows no visible difference from side walk not poured in the rain!
we were placing 4in. class c concrete sidewalk that had 6% air. It started raining hard before we could get it covered with plastic and the covered surface was soaked. Also ,walk that had set for an hour was not covered and the tool marks were obleterated buy the rain.We were able to refinish...