KEY DANGER SIGNALS

Learn the signs that your roof needs repair or replacement. Knowing what signs to look for can save you money in preventable repairs. By fixing what needs to be fixed can keep the frustration of more damage to a minimum

Ceiling Spots Caused by leaks in roof

Check attic or crawlspace for leaks in deck

Check chimney and vents for cracks in flashing

Check rafters for leaks that travel away from original source

Check roof for damaged shingles

Damage Flashing Caused by improper installation

Caused by drying and cracking

Can usually be repaired without replacing roof

Missing Shingles Caused by improper fastening

Caused by exposure to high winds

Can usually be replaced individually

Bucking & 

Curling Spots

Caused by improperly applied felt (buckling)

Caused by movement in deck (buckling)

Caused by undersaturation of felt in organic-based shingles (curling)

Blistering Caused by moisture in shingles

Caused by excessive use of asphalt plastic cement

Algae Growth Caused by growth of airborne algae deposited on roof

Unsightly appearance does not affect the service life of the material

Common problem in warm, humid climates

Algae resistant shingles available regionally

Missing Granules On newly applied shingles, a certain number of loose granules are normal

On aging shingles, missing granules indicate a need for replacement

Rotting Caused by absorption of moisture by mat at the core of the shingle

Common problem with organic-based shingles

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