Hydrostatic strain generates immense force when drinking water accumulates driving your bulkhead that can crack panels and different joints. Corrosion attacks various products otherwise - steel rusts, concrete deteriorates from salt exposure, and lumber inevitably succumbs on the marine environment. We don't assemble the new bullhead above your existing bulkhead https://shoreprotectteam.com/bulkhead-construction-and-repair-cost-in-texas/