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JP Specialties: We've Been Working On The Railroad.


Waterstops play a critical role in the integrity of concrete structures. Earth Shield® Thermoplastic Vulcanizate (TPV) Waterstop is used as a fluid-tight diaphragm, embedded in concrete, across and along the joint, for primary and secondary containment structures such as tank storage and transloading areas. Earth Shield® Chemical Resistant Waterstops are ideally suited for railroad and fuel terminal applications, as they are resistant to a wide range of fuels, oils, solvents, and aggressive chemicals. Diesel fuel, JP-4 and JP-8 jet fuel, and aromatic hydrocarbons have little effect on Earth Shield® Thermoplastic Vulcanizate Waterstop.

Unlike inferior polyvinyl chloride (PVC) waterstop, Earth Shield® waterstop contains no plasticizer, stabilizer, or filler to leech out when exposed to fuels Also, unlike PVC waterstop, Earth Shield® can withstand prolonged exposure to high and low temperatures (-164°F to 275°F long term) without detrimental effect.

Earth Shield® is proud to be the chosen performance product of Union Pacific, Burlington Northern Santa Fe, CSX, and myriad fuel terminals and loading stations throughout the world. In many cases, Earth Shield® is a key component in the rail company’s Environmental Advocacy Program.
Contact our National Sales Manager — Mr. Tom Nelson at 713-857-3941 ( and see how we can help with your regulatory requirements.

About Us

JP Specialties, Inc. is the leading manufacturer of chemical resistant waterstop and related concrete accessories. Our NSF 61 certified Earth Shield® line of chemical resistant waterstop is used throughout the world by major engineering firms and project owners for primary and secondary containment applications, as well as industrial wastewater treatment and ozone contactor structures. We invented and hold the patent on the technology used to mechanically weld thermoplastic waterstops. Services offered include free blueprint take-off and shop drawings, on-site welding certification, and individual corrosion resistance certification for the project owner.

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