Key Danger Signals Of A Failing Roof
After Wind-driven Rain
Possible causes: shingle underlayment is leaking, insufficient underlayment, or/and deteriorated flashing.
Possible cause: Inadequate shingle underlayment allows water from ice dams to leak into attic.
Ceiling/Wall Stains Or Mold/Mildew Growth
Possible cause: Inadequate or faulty shingle underlayment allowing leakage or inadequate ventilation.
Possible cause: Poor attic ventilation.
Possible cause: Shingles have reached the end of their usable life.
Dark Or Dirty
Possible cause: Loss of granules due to aging.
Blistering/Peeling of Interior/Exterior Paint
Possible cause: Extreme temperature or high humidity due to poor attic ventilation.
Possible cause: Insufficient attic ventilation forces heating/cooling system to run harder.