The answer to 'how long do asphalt shingles last' is that asphalt shingles typically have a lifespan of 15 to 30 years, depending on factors like climate, roof pitch, and maintenance. Properly installed and well-maintained asphalt shingles can last on the higher end of that range, while shingles in harsh climates or with minimal upkeep may only last 15-20 years.
Asphalt shingles are one of the most popular and cost-effective roofing materials for residential homes. They are made by combining a fiberglass or organic mat base with asphalt and mineral granules. This durable composition gives asphalt shingles the ability to withstand the elements and protect a home for decades. However, over time the shingles can become worn down by sun exposure, rain, wind, and other environmental factors, necessitating a roof replacement.