Roof Replacement Guide: Warning Signs and Decisions
Recognizing when your roof needs repair versus complete replacement saves money and prevents interior damage from leaks. Warning signs help you determine the urgency and scope of work required. Age represents the primary factor—most asphalt shingle roofs last 20 to 25 years, while metal and tile roofs can last 50 years or more with proper maintenance.
Missing, cracked, or curling shingles indicate deterioration that may require replacement rather than repair, especially if damage covers large areas or multiple roof sections. Granule loss from asphalt shingles appears as dark patches and accumulation in gutters, signaling that protective coating has worn away. Interior signs including water stains on ceilings, walls, or attic spaces, plus visible daylight through roof boards, demand immediate attention.
Warning signs requiring replacement:
- Age exceeding manufacturer's expected lifespan
- Widespread shingle damage across multiple roof sections
- Significant granule loss exposing underlying material
- Multiple leaks in different areas indicating systemic failure
- Sagging roof deck suggesting structural problems
- Daylight visible through attic ceiling boards


