2026-04-30 Choosing the right PV mounting is critical for commercial rooftop solar projects, directly impacting safety, durability, and power generation efficiency. This guide systematically introduces selection key points for three mainstream roof types: metal roof (clamp‑type, no penetration), concrete roof (ballasted/anchored, load calculation), and color steel roof (lightweight aluminum, waterproof protection). It covers material selection, load standards, installation methods, and cost‑effectiveness, helping EPCs and investors make optimal decisions.