If you discover a roof leak in Arizona, act quickly — the dry climate can cause people to underestimate water damage, but leaks here can spread rapidly and lead to mold, drywall collapse, or structural issues. Schedule your free roof inspection with Weather Tite Roofing & Construction! Locate the actual water-entry point (which may be far from the visible leak) Replace the damaged underlayment, the shield that keeps moisture out! Repair tiles/shingles or reseal flat foam coating Check for ventilation or flashing issues. Given Arizona’s sun exposure, underlayment often fails before tiles do so that we can recommend partial/sectional replacement.