You need Denver concrete specialists who engineer for freeze–thaw, UV, and hail. We mandate 4500–5000 psi, air‑entrained mixes (w/c ≤0.45), #4 rebar at 18 inches o.c., Class 6 bases compacted to 95% Proctor, and https://aoiferkgp959008.blogminds.com/professional-concrete-finishing-denver-35256027