You'll need Denver concrete professionals who design for freeze–thaw, UV, and hail. We call for 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 saw cuts within 6 to 12 hours. We take care of ROW permits, ACI, IBC, and ADA compliance, and time pours by wind, temperature,