The LIRR Hillside Substation is utilizing the Roxtec watertight seals. This facility flooded out 5-6 times per year on average. Since the Roxtec Seals were installed, the facility has been completely dry. These seals are rated to 4-Bar or 133ft of water pressure. Roxtec manufactures these seals in Tulsa, OK and complies with all Buy America Requirements. For more information regarding the Roxtex sealing system, please contact us.