white mold in attic

White, fuzzy growth on attic wood isn’t cosmetic — it’s a sign of active moisture damaging structural framing. Attic mold spreads quickly in warm, poorly ventilated spaces and is often caused by bathroom exhaust fans venting into the attic or roof deck leaks. This LA guide covers how to identify it, why it grows, what remediation involves, and typical cost ranges. IICRC-certified mold remediation: (818) 336-1800.