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" o.c., Class 6 bases compacted to 95% Proctor, and https://jayafznc272930.blogspothub.com/37338289/residential-concrete-contractors-denver