HATCH SEAL FOR MARINE – Western polyrub is a manufacturer and supplier of hatch seals, gaskets and hatch cover packing and inflatable seal. Our hatch inflatable seals, gaskets and packing are used in demanding marine industry as a watertight gasket and seal, hopper barge gaskets. Chamfer on top two corners allow for a perfect seal in Navy and commercial watertight doors and hatches. western hatch gaskets are made from fire retardant compliant silicone rubber. We manufacture extruded silicone rubber marine gaskets of many different sizes, hardness and colors. We are capable of manufacturing custom design hatch, marine gaskets and packing per custom requirements.