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Do I Need a New Roof

Leaking roofs, poor drainage, and clogged gutters and downspouts can lead to significant water damage inside your home. To help determine if you need a new roof, your roofing contractor will conduct an outside and inside roof inspection.

Inspecting a roof from outside is very simple. All that is needed is a pair of binoculars and a viewing point that is unobstructed by other buildings or trees. Following is a checklist of problem signs you can look for during an outside roof inspection.

Outdoor Roof Inspection

Ceiling Spots

  • Caused by leaks in the roof

Damaged Flashing

  • Caused by Improper installation on a new roof
  • Drying and cracking on an old roof
  • Dented by improper nailing
  • Settling of the Structure

Missing Shingles

  • Caused by improper fastening
  • Exposure to high winds

Curling Shingles

  • Caused by water absorption
    (in wood or fiber-reinforced shake)

Algae Growth

  • Caused by growth of airbourne algae
  • Occurs most often in warm, humid climates.

Blistering Shingles

  • Caused by moisture in the shingle
  • Occurs when ventillation is inadequate

Missing Granules

  • Normally a certain number of granules will be loose, especially after application
  • On aging shingles, this indicates the need for replacement

Buckling Shingles

  • Caused by improperly felt, or movement of the deck

Rotting Shingles

  • Caused by absorption of moisture by the mat
  • Common problem with organic-based shingles

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