Rip Rap Boulders We also install Rip Rap boulders on top of filterfabric to stop erosion at a 2 to 1 slope with one to 3 feet limestone boulders. 

ArmorFlex OS®. These engineered systems provide owners, developers and engineers performance tested hard armor solutions for a wide variety of applications including: channel lining, shoreline protection, dam crests and spillways, energy dissipation, pipeline and cable protection, bridge and abutment protection, boat ramps, low water crossings, outfall protection, wave attack protection, and more.