Depicted below are symptoms that indicate it may be time for a new roof.

1. ALGAE GROWTH: Algae growth causes a dark discoloration on roofs. The algae is usually brown to black in color which results in a streaked, dirty looking rooftop. It can be mistaken for soot, dirt or tree droppings , which typically produce only localized discoloration. It's caused by the growth of air-borne algae which deposits on your roof.
   
   
2. BUCKLING: Causes of buckling are improperly applied felt, wrinkled underlayment, roof deck movement, spacers not used in between roof deck boards, poor roof ventilation, new shingles applied over old/rough shingles.
   
   
3. CURLING: Cause of curling are high nails, lack of back coating, under -saturation of asphalt felt in organic shingles, lack of ventilation, improper number of fasteners.
   
   
4. DAMAGED FLASHING: Causes of damaged flashing are improper installation on a new roof, drying and cracking on an old roof, dented by improper nailing, settling of the structure.
   
   
5. MISSING GRANUALES: Normally a certain number of granules will be loose , especially after application. These granules are called "riders" and are a normal result of the manufacturing process. Granule loss does not affect the service life of the shingles unless granules can be seen missing on the surface of the shingles, thus exposing the asphalt or Fiberglas® mat.
   
   
6. MISSING SHINGLES: Causes of missing shingles are improper fastening or exposure to high winds.
   
   
7. CEILING SPOTS: Spots are caused by leaks in the roof.
   
   
8. ROTTING: Rotting is caused by absorption of moisture by the mat at the core of the shingle. This is a common problem with organic-based shingles.
   
   
9. BLISTERING: Blistering is caused when moisture gets in the shingle.