Seawalls are massive shore-parallel structures built to provide protection against storm surge flooding and upland erosion. Marine structures such as seawalls, water breaks, artificial reefs, floating marine docks, and buildings near water systems are very sensitive to chlorides or sea salt which can easily damage concrete structures reinforced with steel rebar. Therefore, engineers prefer to use corrosion-free and superior-in-strength fiberglass rebar which is completely impervious to corrosion. Our Fiberglass Rebar is a superior quality product designed to be used in marine applications. Completely protected against chloride ions.