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Sand

Drainfield Sand

Septic drainfields, soakaways and subsurface drainage.

Coarse washed sand with the fines removed so it percolates at the rate a septic drainfield needs. Health department inspections on new drainfields test percolation, and ordinary fill sand will not pass.

Order it by the specification your permit calls for. If your inspector has given you a percolation rate, tell us when you book and we will confirm the material meets it before the truck loads.

Specification

What you are getting.

Gradation
Coarse washed, low fines
Category
Sand
Weight
1.35 tons per cubic yard
Sold by
The cubic yard, 1 yd minimum
Compaction allowance
None, placed loose
Also called
septic sand, drain sand, ASTM C33 sand

Common uses

What people order it for.

  • Septic system drainfields
  • Soakaways and dry wells
  • Subsurface drainage beds
  • Mound systems and raised drainfields

How much to order

Coverage per cubic yard.

One cubic yard is 27 cubic feet. How far that goes depends entirely on how deep you are laying it.

Depth1 cu yd coversYards per 500 sq ft
2 in162 sq ft3.1 cu yd
3 in108 sq ft4.6 cu yd
4 in81 sq ft6.2 cu yd
6 in54 sq ft9.3 cu yd
12 in27 sq ft18.6 cu yd

The arithmetic: length times width times depth, all in feet, divided by 27. A 40 by 20 ft area at 4 inches deep is 40 × 20 × 0.333 ÷ 27, which is about 9.9 cubic yards, so you order 10. Round up rather than down — coming up two yards short on a Friday costs a whole extra delivery.

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Drainfield Sand — common questions

What people ask.

What is Drainfield Sand?

Coarse washed sand with the fines removed so it percolates at the rate a septic drainfield needs. Health department inspections on new drainfields test percolation, and ordinary fill sand will not pass.

What is Drainfield Sand used for?

Septic drainfields, soakaways and subsurface drainage. Order it by the specification your permit calls for. If your inspector has given you a percolation rate, tell us when you book and we will confirm the material meets it before the truck loads.

How much Drainfield Sand do I need?

Multiply length by width by depth, all in feet, and divide by 27 to get cubic yards. One cubic yard covers 162 sq ft at 2 inches, 108 sq ft at 3 inches, 81 sq ft at 4 inches or 54 sq ft at 6 inches. The calculator does it for you and converts to tons and truckloads.

Does Drainfield Sand need a compaction allowance?

No. Drainfield Sand is placed loose rather than compacted, so what you order is what you end up with. Order your plan volume, rounded up to the next whole cubic yard.

How much does Drainfield Sand cost delivered?

$31.25 per cubic yard, plus a flat $200 delivery per order across Palm Beach, Broward and Miami-Dade. Minimum order is one cubic yard.

What does Drainfield Sand weigh?

About 1.35 tons per cubic yard. A tri-axle carries roughly 18 cubic yards or 22 tons, whichever it reaches first, so a full load of Drainfield Sand is about 16.3 cubic yards.

Do you deliver Drainfield Sand near me?

We deliver anywhere from West Palm Beach to Miami — Palm Beach, Broward and Miami-Dade counties. See the service area for lead times by county.

Where we deliver Drainfield Sand

West Palm Beach to Miami.

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