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Problem: Missing, cracked or curling shingles. |
| Possible cause: shingles have reached thier useful life. |
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Problem: Dark,"dirty looking" areas on your roof. |
| Possible causes: Environmental pollutants; vegetation, fungus or algea growth; loss of granules due to age of shingles. |
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Problem: Leakage in attic after driving rain. |
| Possible causes: Leaky or inadequate shingle underlayment; deteriorated flashing. |
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Problem: Roof shingle, sheathing and siding decay. |
| Possible cause: Poor attic ventilation. |
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Problem: Blistering and/or peeling of outside paint. |
| Possible cause: Excessive moisture or high hulidity due to poor attic ventilation. |
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Problem: Stains on interior ceilings and walls or mold and mildew growth. |
| Possible cause: Inadequate or faulty shingle underlayment allowing leakage, or inadequate ventilation. |
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Problem: Excessive energy costs. |
| Possible cause: Insufficient attic ventilation causes heating/cooling system to run excessively. |
