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Stone

Rip Rap

Seawalls, shoreline armouring, slope stabilisation and scour protection.

Large broken limestone, graded from roughly four inches up to a foot, placed rather than poured. It is the heaviest material we deliver and it exists for one purpose: stopping moving water from taking soil with it.

Standard along South Florida seawalls, canal banks and retention pond edges, and behind bulkheads as scour protection. Needs geotextile underneath or the fines beneath it wash out and the whole revetment settles.

Specification

What you are getting.

Gradation
4 to 12 inch broken stone
Category
Stone
Weight
1.40 tons per cubic yard
Sold by
The cubic yard, 1 yd minimum
Compaction allowance
None, placed loose
Also called
armour stone, shoreline rock, seawall rock

Common uses

What people order it for.

  • Seawall and bulkhead protection
  • Canal and shoreline armouring
  • Retention pond edges
  • Slope stabilisation
  • Culvert outfall scour protection

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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Rip Rap — common questions

What people ask.

What is Rip Rap?

Large broken limestone, graded from roughly four inches up to a foot, placed rather than poured. It is the heaviest material we deliver and it exists for one purpose: stopping moving water from taking soil with it.

What is Rip Rap used for?

Seawalls, shoreline armouring, slope stabilisation and scour protection. Standard along South Florida seawalls, canal banks and retention pond edges, and behind bulkheads as scour protection. Needs geotextile underneath or the fines beneath it wash out and the whole revetment settles.

How much Rip Rap 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 Rip Rap need a compaction allowance?

No. Rip Rap 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 Rip Rap cost delivered?

$47.50 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 Rip Rap weigh?

About 1.40 tons per cubic yard. A tri-axle carries roughly 18 cubic yards or 22 tons, whichever it reaches first, so a full load of Rip Rap is about 15.7 cubic yards.

Do you deliver Rip Rap 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 Rip Rap

West Palm Beach to Miami.

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