You'll need Denver concrete professionals who engineer for freeze–thaw, UV, and hail. We call for 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, https://keziauzrn459418.bloggerswise.com/46413101/concrete-installation-experts-denver-co