Why Tennessee Valley humidity is a quiet roof killer.
Algae growth
Humid Tennessee Valley air feeds the algae that streaks shingles black.
Attic moisture
Without proper ventilation, humid air gets trapped in attics, rotting decking from below.
Flashing corrosion
Humidity accelerates rust on metal flashing.
Mitigation
AR-granule shingles, balanced ridge ventilation, and quality flashing all extend lifespan.
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