Moving just 30 miles across the San Francisco Bay Area can transport you into a completely different climate zone. If you move from the damp, marine-fog blanket of Pacifica to the sun-drenched valley floor of San Jose, your lifestyle isn’t the only thing that changes your roof’s operational environment completely shifts. Many homeowners assume a high-quality asphalt shingle works everywhere. However, an architectural shingle designed to withstand moisture along the coast will fail prematurely under the intense heat and UV...