Roof (Asphalt Shingle): lifespan, maintenance and replacement

Typical lifespan: 15–30 years (about 22 years).

Maintenance schedule

• Inspect from the ground for missing shingles and flashing damage — Spring, fall & after storms
• Arrange a professional condition assessment — For leaks, damage or aging
• Clean gutters and downspouts — Twice a year
• Ask about manufacturer-approved moss/algae cleaning; do not pressure-wash — As needed
• Have flashing checked around vents, chimneys and valleys — At roof inspections

Signs it needs replacing

• Curling or buckling shingles
• Missing shingles or granules in gutters
• Daylight visible through attic boards
• Sagging roof deck
• Water stains on interior ceilings
• An aging roof with widespread deterioration or repeated leaks

Tips

Keep trees trimmed away from the roof. Ensure attic ventilation is adequate to prevent heat buildup.