Here are ten indicators that it may be time to consider replacing your roof:

1. **Age of the Roof**: If your roof is nearing the end of its typical lifespan—usually 20-25 years for asphalt shingles—it might be time for a replacement.

2. **Shingle Damage**: Curling, buckling, or missing shingles are clear signs of deterioration that can compromise the roof’s integrity.

3. **Granule Loss**: If you notice granules from your shingles in the gutters or around your yard, it indicates significant wear and tear.

4. **Leaks and Water Damage**: Frequent leaks or visible water stains on your ceilings or walls indicate potential roof failures.

5. **Mold or Mildew**: The presence of mold or mildew can signal trapped moisture, which often points to a compromised roof.

6. **Sagging Roof Deck**: A noticeable sag in your roof can indicate structural issues that may require a full replacement.

7. **Increased Energy Bills**: Rising energy costs can suggest inadequate insulation or ventilation due to a failing roof.

8. **Sunlight Through Roof Boards**: If you see light peeking through the roof boards in your attic, this is a sign of serious damage.

9. **Damaged Flashing**: Flashing that is rusted or damaged can lead to leaks and water intrusion, often necessitating a new roof.

10. **Roofing Inspection Findings**: If a professional roofing inspection highlights multiple problems, replacing the roof may be the most cost-effective solution.

Monitoring these signs can help you maintain the safety and efficiency of your home.