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How Much Limestone Screenings for a 14x24 Patio?

A 14 by 24 foot patio is 336 square feet. How much limestone screenings for a 14x24 patio depends on depth: at 3 inches it is about 3.11 cubic yards or 4.4 tons. Suppliers usually sell by the ton, so the tonnage is the number to give them.

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The math for a 14x24 patio

  1. Area: 14 × 24 = 336 sq ft.
  2. Depth in feet: 3 ÷ 12 = 0.250 ft.
  3. Cubic feet: 336 × 0.250 = 84.0 cu ft.
  4. Cubic yards: ÷ 27 = 3.11 yd³.
  5. Tons: × 1.4 = 4.4 tons.

The volume and tonnage calculator does this for any size.

Limestone screenings needed by depth

DepthCubic yardsTons (approx.)Tons +10%
1 in1.041.51.6
2 in2.072.93.2
3 in3.114.44.8

About limestone screenings

Screenings hold moisture and can crust over. Use them in thin layers over a compacted stone base instead of as a thick layer on their own. Weight per yard is a planning number; the scale ticket at the yard is the real one.

Preparing the patio

Remove sod, level the area with a slight slope away from the house, and lay landscape fabric if weeds are a concern. Edging keeps loose material inside the patio footprint. This patio sees foot traffic and furniture, so match the depth to that load rather than to the minimum.

Ordering tips

  • Round up. Compaction and uneven ground eat material. Adding about 10 percent is common.
  • Delivery size. 4.8 tons fits in a single typical dump truck load; small loads may carry a delivery fee. See how many tons of gravel in a dump truck.
  • Bulk vs bags. At this size bulk delivery is usually the practical choice.
  • Where it drops. Have the truck dump as close to the patio as firm ground allows.

Good and poor uses for limestone screenings

Best suited to:

  • Paver and flagstone setting beds
  • Firm walking paths
  • Top-dressing a compacted stone base

Less suited to:

  • Deep layers on their own
  • Low spots that collect water
  • Under heavy vehicle traffic without a base

Quick reference numbers

  • Per inch over 100 sq ft: about 0.43 tons of limestone screenings (0.31 cubic yards).
  • Per inch over 1,000 sq ft: about 4.3 tons.
  • Another size for comparison: a 15x30 area at 3 inches takes about 5.8 tons.
  • Weight used here: about 1.4 tons per cubic yard.

Mistakes that throw off the order

  • Forgetting that compaction shrinks loose material. A loose 4-inch spread of a dense-graded stone may finish closer to 3 inches after rolling.
  • Measuring only the main rectangle. Aprons, turnouts and curved edges add real square footage.
  • Ordering exactly the math. Uneven ground and spillage nearly always need a little more than the flat calculation.
  • Skipping drainage. Water sitting under any surface softens the base and leads to ruts and potholes.

Questions people ask

How many tons of limestone screenings for a 14x24 patio?

About 4.4 tons at 3 inches deep, or 4.8 tons with 10 percent extra.

How many cubic yards is a 14x24 patio at 3 inches?

About 3.11 cubic yards.

How much does a cubic yard of limestone screenings weigh?

Usually around 1.3 to 1.5 tons, depending on stone size, fines and moisture.

How deep should limestone screenings be for a patio?

The table above shows 1 to 3 inches. Shallower depths suit top dressing; deeper depths suit new installs and heavier use.

How many square feet is 14x24?

336 square feet.

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