Choosing the right gravel
Crusher run (with fines) compacts into a solid base and is right under patios and driveways. Clean washed stone drains freely and belongs behind retaining walls and in French drains, but it never locks up under traffic.
- • Compact in 2–3 in lifts for anything load-bearing.
- • Geotextile fabric under the base prevents gravel from sinking into soft soil.
- • Full truckloads (about 15–20 tons) cost far less per ton than partials.
FAQ
How much gravel do I need for a driveway?
A 40×12 ft driveway at 4 inches deep needs about 2.1 cubic yards loose, or roughly 3.4 tons ordered with compaction allowance.
How many tons is a cubic yard of gravel?
About 1.4 tons for typical crushed stone. Pea gravel is closer to 1.3 tons and wet material weighs more.
How deep should gravel be?
4 inches for light foot and car traffic, 6–8 inches for regular vehicle use, and 8–12 inches for trucks or soft soil.
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