Rip Rap (4 to 12 Inch) for Walls and Erosion Control Hawaiian Volcanic Organic Where a job calls for

Where a job calls for a tighter

Step down to 3 to 8 inch for a tighter stone size

like composting or septic treatment

It holds ground that lighter materials simply cannot

Rock and retaining walls

Rip Rap (4 to 12 Inch) for Walls and Erosion Control Hawaiian Volcanic Organic Where a job calls forRip Rap in the 4 to 12 inch range is clean, angular stone with no sand in the mix, sized and shaped specifically to lock together and stay in place. Those angular faces are what set it apart from rounded rock: they wedge against one another so the layer resists shifting, even under the push of moving water or the weight of a wall. It is a standard material for rock walls and retaining walls where stability is the priority. The same size and weight