FLAGSTAFF ALPINE specialty (snow load + ice dam + freeze-thaw + high-elevation UV + monsoon); engineered snow retention; flat-roof TPO/PVC; daily cleanup + magnet sweeps Class A fire-rated assemblies; high-temperature underlayments; ice-and-water shields Services: Architectural Shingle, Standing-Seam Metal (Snow Retention), TPO/PVC Flat, Spray Foam, Ice & Water Shield, Class A Fire-Rated Assemblies