Home Risk Factors

1. Leakage in the attic after driving rain
Possible causes:
Leaky or inadequate shingle underlayment
Deteriorated flashing
 leakage 2.Blistering and/or peeling of outside paint
Possible causes:
Excessive moisture or high humidity due to poor attic ventilation		 blistering
3. Stains on interior ceilings and walls
Possible causes:
Inadequate or faulty shingle underlayment,
allowing leakage from ice dams		 stains 4. Roof shingle, sheathing, and siding decay
Possible causes:
Poor attic ventilation		 decay
5. Missing, cracked or curling shingles
Possible causes:
Shingles have aged beyond their useful life		 curling 6. Dark "dirty-looking" areas on your roof
Possible causes:
Environmental pollutants
Vegetation, fungus or algae growth
 dirty look
7. Excessive energy costs
Possible causes:
Insufficient attic ventilation causes heating/cooling system to run excessively		 energy cost    

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