How to Tell that You Need to Replace a Roof?

Some times its easy to know when to replace a roof. Some times it’s not so obvious. Perform your roof inspections once every year and look for the following warning signs to find out whether your roofing needs to be replaced:

Roof Wear – External


  • External wear shows signs of roofs in need of repair
  • External damage increases the risk of water leaks and rot
  • Shingle edges are curled or shingle tabs are cupped
  • Bald spots where granules are missing
  • Cracked shingles
  • The roof just looks old and worn
  • Airborne algae cause dark streaks on roof decks
  • Moss can grow on roof surfaces that don’t get much sunlight

Roof Wear – Internal

  • Internal wear shows signs of major roof issues.
  • Internal damage also increases the risk of water leaks and rot.

Roof Layers


  • Lazy roofers will stack roofing layers adding weight to the roof.
  • Roof layers – 2 is 1 too many.


Roof Decking


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