You require Denver concrete experts who design for freeze–thaw, UV, and hail. We require 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 https://graysonzyjx886669.alltdesign.com/experienced-concrete-team-denver-57187977