The answer to 'when to replace shingle replacement' is that you generally need to replace your roof's shingles every 15-30 years, depending on the type of shingles and local climate conditions. Asphalt shingles, the most common type, typically last 15-20 years, while more durable materials like metal or slate can last 30-50 years. Factors like sun exposure, wind, and precipitation in your area will affect the lifespan of your shingles.
Signs it's time to replace your shingles include cracked, curled, or missing shingles, as well as visible wear and tear. Periodic inspections can help you catch issues early and plan for a roof replacement before major leaks or damage occur. When it's time, it's best to work with a professional roofing contractor to ensure the job is done properly and safely.