You'll need Denver concrete specialists who plan for freeze–thaw, UV, and hail. We require 4,500–5,000 psi, air‑entrained mixes (w/c ≤0.45), #4 rebar at 18 inches o.c., Class 6 bases compacted to 95% Proctor, https://ezekielrsmk266473.bcbloggers.com/37380961/professional-concrete-services-denver-co