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How Much Crushed Stone for a 24x36 Pole Barn?

A 24 by 36 pole barn covers 864 square feet. Spread 6 inches deep, the pad takes about 16.00 cubic yards, which is roughly 22.4 tons of crushed stone. That answers how much crushed stone for a 24x36 pole barn for a typical floor base.

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The math

  1. Area: 864.0 sq ft.
  2. Depth in feet: 6 ÷ 12 = 0.500 ft.
  3. Cubic yards: 864.0 × 0.500 ÷ 27 = 16.00 yd³.
  4. Tons: × about 1.4 tons per yard = 22.4 tons.

The crushed stone calculator does this for any size.

Crushed stone needed by depth

DepthCubic yardsTons of crushed stoneTons +10%
4 in10.6714.916.4
6 in16.0022.424.6
8 in21.3329.932.9
12 in32.0044.849.3

How deep the barn pad should be

A 4-inch layer works for storage and light use on firm soil. For equipment, vehicles or a future concrete floor, 6 to 8 inches of compacted stone is common, and soft ground may need more plus fabric underneath.

Extending the pad past the walls

Many owners run the stone 1 foot beyond each wall: 26x38 feet, 988 sq ft, about 25.6 tons at 6 inches. It keeps mud away from the doors and protects the post bases.

Build it in layers

Strip topsoil, level and compact the subgrade, then spread stone in lifts of about 3 to 4 inches, compacting each. A coarser base topped with a finer, packable stone often makes the most solid floor.

Getting it delivered

Most quarries and landscape yards deliver by the ton; ask whether there is a minimum and a delivery fee, and where the driver can dump without damaging your lawn. Crushed stone has angular faces that lock together under a compactor, which is why it holds a pad shape. The scale ticket is the real weight; tons per yard here is a planning figure.

Questions people ask

How many tons of crushed stone for a 24x36 pole barn?

About 22.4 tons at 6 inches deep.

How many yards of crushed stone for a 24x36 pad?

About 16.00 cubic yards at 6 inches.

How deep should a pole barn gravel pad be?

About 4 inches for light use and 6 to 8 inches for vehicles or a future slab.

How many tons of crushed stone are in a cubic yard?

Roughly 1.4 tons for planning, but suppliers vary with stone size and moisture.

Should I put landscape fabric under the stone?

On soft or clay soil, a woven geotextile keeps stone from sinking into the dirt and makes the layer last longer.

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