Warning Signs of a Troubled Roof

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