How to Build and Maintain an Asphalt Driveway
A) Subgrade: For a new driveway installation, the site should be excavated deep enough to match the thickness of the driveway's components—we're using 12 inches here, but they can vary depending on local soil conditions—so the finished surface will align with the lawn, walkways, garage entrance, and so forth, and then the soil gets compacted.
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