- Open or curling seams
- Damaged flashings
- Wrinkles
- Interior water stains
- Loose attic insulation
- Drains filled with debris
- Poorly flashed pipes
- Cuts, tears, or cracks
- Visible leaks or cracks
- Stains or algae growth
- Standing or ponding water
- Open joints in the roof deck
- Roof is over 10 years old