Mold might not be inside your home—it could be starting above it. If your home has mold issues, the problem might not be inside your walls. It might be sitting right above your head. Many homeowners in Palo Alto focus on leaks, insulation, or humidity when they see mold. But one of the most overlooked causes is poor airflow in the attic. When air gets trapped, moisture builds up, and that creates the perfect environment for mold to grow. That’s where Palo alto roof ventilatio