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What is the recommended thickness of aggregate base needed to construct a standard concrete driveway?

0-2 inches
2-4 inches
4-6 inches
6-8 inches
Not sure
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Question: What is the recommended thickness of aggregate base needed to construct a standard concrete driveway?
Top Answer (42% of 38 votes): 2-4 inches.

Answer: 4-6 inches
Explanation: usually 4 is ok
Answer: 2-4 inches
Explanation: That depends largely on the subgrade materials, and traffic serviced by the driveway, but on stiff clay soils, 2-4" of aggregate base is typically adequate to bridge irregularities and produce a smooth, friction minimized subgrade.
Maven Group LLC
Answer: 0-2 inches
Explanation: Thickness required depending on condition of surface being poured on.
BAT Concrete llc
Answer: 2-4 inches
Explanation: It depends on the soil properties below.
Answer: 4-6 inches
Explanation: The gravel base for a driveway should be a minimum of 4 inches deep.
Colorado Concrete
Answer: 0-2 inches
Explanation: 2 inches is recommended
Answer: 4-6 inches
Explanation: A base is usually used for drainage, uniformity, or leveling off the area in most residential cases.
Black Dirt Services LLC
Answer: 4-6 inches
Explanation: base should match concrete thickness
Answer: 4-6 inches
Explanation: This is as per code requires
h and h company
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