The SeaShield Series 400™ System comprises the SeaShield FRP Jacket™, C-GRID 450™ and SeaShield 510UW Grout™ or SeaShield 550 Epoxy Grout™. It is a revolutionary encapsulation system that protects and strengthens timber piles that are in aggressive saltwater environments by providing lightweight and durable non-corrosion reinforcement.