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Learn the 8 Warning Signs of a Troubled Roof!

1. 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

2. Damaged Flashing

  • Caused by improper installation (on new roof)
  • Caused by drying and cracking (on old roof)
  • Can sometimes be repaired without replacing roof

3. Missing Shingles

  • Caused by improper fastening
  • Caused by exposure to high winds
  • Can usually be replaced individually

4. Buckling Shingles

  • Caused by improperly applied felt (buckling)
  • Caused by movement in deck (buckling)

5. Curling Shingles

  • Caused by under saturation of felt in organic-based shingles (curling)

6. Blistering 

  • Caused by application over wet deck
  • Caused by moisture in shingle
  • Caused by inadequate ventilation

7. 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

8. Missing Granules

  • On newly applied shingles, a certain number of loose granules is normal
  • On aging shingles, missing granules indicate need for replacement

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