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Rock Revetment

Rock Revetment is a way of absorbing the energy coming from incoming waves and water. They are sloping structures comprised of various layers of large stone and geo-textiles placed on banks and shorelines used to prevent shoreline loss.

On the Great Lakes, rock revetments are the only form of erosion protection that we will install; it is the only long-term solution. Compared to seawalls, rock revetment provides a great, even better alternative to protecting beaches, homes, and other structures along the shorelines.

Typically, armor limestone rock is used to build rock revetment solutions.

Rock Revetment Advantages & Disadvantages


  • Absorb wave energy
  • Effective for generations
  • Protects the Great Lakes’ sand-bars and beaches from long-term damage
  • Assures natural beaches will re-form when water levels drop again
  • Can be cost-effective compared to other techniques


  • Costs can be higher due to expensive materials
  • Installation is more challenging


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