Inland Empire roofing deals with extreme heat (110°F+ summer days in the desert communities), wildfire risk in the mountain interface zones (San Bernardino Mountains, Riverside County foothills), and atmospheric river storm events. Title 24 cool roofs are particularly valuable in the IE's high-heat climate — they measurably reduce AC loads. Class A fire-rated materials required in VHFHSZ communities throughout the region. SCE coordinates interconnection for solar-ready roofing. C-39 license required.