1. Missing, cracked or curling shingles– Possible cause: Shingles have reached the end of their useful life.
2. Excessive Energy Cost– Possible cause: Insufficient attic ventilation causes heating/cooling system to run excessively.
3. Dark, dirty looking areas on your roof– Possible causes: Loss of granules due to age of shingles or blue-green algae stains.
4. Stains on interior ceilings and walls or mold and mildew growth- Possible causes: Inadequate or faulty shingle underlayment allowing leakage; inadequate ventilation.
5. Leakage in attic after driving rain– Possible causes: Degraded or inadequate shingle underlayment’ deteriorated flashing.
6. Roof shingle, sheathing, and siding decay– Possible cause: Poor attic ventilation.