Asphalt Paving Guide / Driveway Lifespan
20 to 30 years when it is installed right and maintained on schedule. 8 to 12 years when it is not. Here are the 6 factors that decide which one you get.
The #1 driver of lifespan. A driveway built on 6 to 8 inches of well-compacted aggregate base will outlast one built on 3 inches of base by a decade or more. You cannot see the base after paving, which is why cheap quotes often skimp here.
Residential standard is 2 to 3 inches of compacted asphalt. Anything under 2 inches will alligator-crack in 5 to 7 years no matter how well it is installed. Commercial lots that see truck traffic need 4 inches or more.
Standing water kills asphalt faster than anything except poor base. Proper slope (minimum 1.5%) and drainage away from the driveway are non-negotiable for a 20-year lifespan.
First sealcoat 6 to 12 months after install, then every 2 to 3 years. A driveway that is sealed on schedule will outlast an unsealed one by 8 to 10 years.
Freeze-thaw cycles are brutal. A driveway in Phoenix will last longer than the same driveway in Minneapolis. Northern climates make sealcoating and crack repair even more critical.
Every crack left open lets water reach the base. One winter of freeze-thaw under an unsealed crack can turn a $5 fix into a $500 patch.
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