Delta Aggregates is an aggregate supply company based in Florida. Our primary product is rip rap. Riprap, also known as rip rap, rip-rap, shot rock, rock armor, or rubble, is human-placed rock or other material used to protect shoreline structures against scour and water, wave, or ice erosion. Ripraps are used to armor shorelines, streambeds, bridge abutments, foundational infrastructure supports and other shoreline structures against erosion.