Common Roofing Problems

  • 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
  • Caused by improper installation (on new roof)
  • Caused by drying and cracking (on old roof)
  • Can sometimes be repaired without replacing roof
  • Caused by improper fastening
  • Caused by exposure to high winds
  • Can usually be replaced individually
  • Caused by improperly applied felt (buckling)
  • Caused by movement in deck (buckling)
  • Caused by under saturation of felt in organic-based shingles (curling)
  • Caused by application over wet deck
  • Caused by moisture in shingle
  • Caused by inadequate ventilation
  • 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
  • On newly applied shingles, a certain number of loose granules is normal
  • On aging shingles, missing granules indicate need for replacement

Make It Simple

We understand that every project is unique. Greenland will assess your individual needs and budget to provide you with an accurate estimate.

Unique Work

With our experience in residential and commercial industries, you can be assured Greenland will provide quality service and product knowledge.

Unique Design

We offer a large selection of colours so that you can achieve the right look for your home or commercial building.

Experiencing any of these problems? Let us help!