Cement binds and hardens, and is read as commitment, permanence and decisions being set in place. Wet cement in a dream may point to a moment when things can still be shaped.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.