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Key Danger Signals

Don't get caught with sudden, costly repairs. Keep a close eye on your roof and find out how to spot problems - including these 7 key danger signs - before they severely impact your wallet.

A leak in the attic.

After a strong storm or wind-driven rain, take a look in the attic for signs of leaking. It could indicate damaged shingles, inadequate underlayment or deteriorated flashing.
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Blistering or peeling interior or exterior paint.


Moisture trapped in the house due to poor ventilation can cause exterior paint to peel and blister.

Stains on interior ceilings and walls - mold or mildew growth.


Stains, or worse, mold, can be caused by leaks from outside the house or moisture trapped inside.
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Exterior decay in sheathing and/or siding.


Excess moisture can also contribute to decay.

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Missing, cracked, or curled shingles.


Dry, cracked, or easily broken shingles have reached the end of their useful life, and its time to invest in a new roof.

Dark, dirty-looking areas on your roof.


Vegetation, fungus, mold, or algae growth can cause dark stains on your shingles. That doesnt necessarily mean you need a new roof, but if you do choose to replace your shingles, ask for StainGuard protection available on many GAF Shingles, including Timberline Cool Series Shingles, Timberline Natural Shadow Shingles, Timberline ArmorShield II Shingles, and Timberline Ultra HD Shingles.
(StainGuard protection is available only on shingles with StainGuard -labeled packaging. See GAF Shingle & Accessory Ltd. Warranty for complete coverage and restrictions.)

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Long Construction Images

Excessive energy costs.


Inadequate ventilation can possibly drive up your household cooling costs by trapping hot air in the attic. Attic moisture can also drip into your insulation, reducing its effectiveness.

If you see any of these key danger signals call long construction for an inspection today!

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