How Thick Should Asphalt Millings Be?
And there should be a 6-8 inch thick granular base aggregate underneath it. Parking Lots And Commercial Driveways. Parking lots need to have a 6-inch granular base aggregate while commercial driveways need to have 8 inches. And the asphalt millings that those two need should be 3 inches. It needs to have good soil drainage underneath …
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