Key Danger Signals

Key Danger Signals That Your Roofing System Is Not Protecting Your Home
1. Dark, “dirty looking” areas on your roof.
Possible causes: Environmental pollutants -- vegetation, fungus or algae growth -- loss of granules due to the age of shingles.

2. Missing, cracked or curling shingles.
Possible cause: Shingles have reached the end of their useful life.

3. Leakage in attic after driving rain.
Possible causes: Leaky or inadequate shingle underlayment -- deteriorated flashing.

4. Roof shingle, sheathing, and siding decay.
Possible cause: Poor attic ventilation.

5. Blistering and / or peeling of outside paint.
Possible cause: Excessive moisture or high humidity due to poor attic ventilation.

6. Stains on interior ceilings and walls.
Possible cause: Inadequate or faulty shingle underlayment allowing leakage from ice dams.

7. Excessive energy costs.
Possible cause: Insufficient attic ventilation causing the heating / cooling systems to run excessively.