You'll need Denver concrete professionals who design for freeze–thaw, UV, and hail. We mandate 4,500–5,000 psi, air‑entrained mixes (w/c ≤0.45), #4 rebar at 18" o.c., Class 6 bases compacted to 95% Proctor, and https://majagddw950596.dailyblogzz.com/38996365/denver-custom-concrete-pros