21st Century Foam was to spray foam insulation in our 46'x54' building. They arrived 3 1/2 hours late on Saturday, and therefore could not spray the foam because the temperature had dropped too low. They came back on Sunday to do the job. We once again stressed the importance of taping off/tarping all surfaces, including the concrete floors, as we were staining them. We were told not to worry, everything would be covered. On Sunday afternoon, much to our surprise, we were told they could not insulate two of the beams (large metal... read full review »