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Leakage in Attic After
Wind-Driven Rain

POSSIBLE CAUSE: Leaky or inadequate shingle underlayment or deteriorated flashing

Blistering and/or Peeling of
Interior and/or Exterior paint

POSSIBLE CAUSE: Excessive temperature or high humidity due to poor attic ventilation

Exterior Decay,
Sheathing, and/or Siding

POSSIBLE CAUSE: Poor attic ventilation

Dark, “Dirty-Looking” Areas On Your Roof

POSSIBLE CAUSE: Environmental pollutants; vegetation, fungus or algae; loss of granules due to age of shingles

Leakage in Attic After
Ice Build-Up

POSSIBLE CAUSE: Inadequate shingle underlayment allows water from ice dams to leak into attic

Stains on Interior Ceilings and Walls
or Mold and Mildew Growth

POSSIBLE CAUSE: Inadequate or faulty shingle underlayment allowing leakage or inadequate ventilation

Missing, Cracked, or Curled Shingles

POSSIBLE CAUSE: Shingles have reached the end of their useful life

Excessive Energy Costs

POSSIBLE CAUSE: Insufficient attic ventilation causes heating/cooling system to run excessively
 

In warm weather, inadequate ventilation will trap hot air in the attic, causing air conditioning systems to work harder, or leaving your home’s interior hotter and less comfortable. Attic Ventilation: In both hot and cold weather, insufficient attic ventilation may cause moisture in the attic to become trapped and condense on the rafters. This condensed moisture can drip down onto the insulation and reduce its effectiveness. Excessive energy costs can result.

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“When the newer roof that was on our house failed due to improper installation we were determined not to make the same mistake when replacing our roof. RoofHawk wasn't the cheapest or most expensive estimate we received, however, they were the most knowledgeable and that is why we chose RoofHawk.”

— ANTHONY COGHILL

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