Frontier Desert Seal – a colorless, penetrating solution for concrete and Frontier Desert Deck surfaces. Frontier Desert Seal is a catalytic agent which reacts with free alkaline hydrates by internally producing an aero silica gel which fills the pore spaces and voids left by the evaporative loss of moisture. Frontier Desert Seal does not alter the surface’s appearance or the physical characteristics of Frontier Desert Deck, but will significantly protect concrete from damaged caused by the freeze-and-thaw cycle