Potential signs that your roof may need to be replaced:
- Shingle edges are curled or shingle tabs are cupped. ...
- Bald spots where granules are missing.
- Cracked shingles. ...
- Your roof is at least 20 years old; while many shingles today are produced for durability, many factors can accelerate the aging of shingles.
When you're not using your power tools, secure them with short lengths of rope or Bungee cords. Keep hand tools and supplies in a 5-gallon bucket hung on a roof bracket. Carefully position ropes and extension cords so they're not underfoot; they're very slippery. Stay off slate and tile roofs.
Disadvantages of metal roofs
- Affordability. Metal roofs can be as much as two or three times more expensive than other roofing materials. ...
- Noisiness. Metal roofs can be noisy, especially during a heavy rain or hailstorm. ...
- Expansion and contraction. ...
- Inconsistency of color match. ...
- Performance.