Waterstop King

Waterstop has a singular purpose: To prevent the passage of fluids across and along concrete joints. This page is dedicated to all things waterstop, as used to seal joints in concrete construction. Feel free to post any comments or questions and I will answer promptly.

Saturday, January 12, 2019

Earth Shield® PVC Waterstop Achieves NSF 61 Certification

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Certification to NSF/ANSI 61 demonstrates compliance with nationally-recognized  health effects standard for all drinking water treatment ch...

Friday, December 21, 2018

Free DeWalt® Drill Driver With Qualifying Earth Shield® Retrofit Waterstop Orders

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DeWalt DCF885C2 Drill Driver The DEWALT® DCF885C2 20 V MAX lithium-ion 1/4-in impact driver kit is compact and lightweight for fitting i...

Sunday, December 02, 2018

PVC Caps for Metal Keyway

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PVC158 installed on metal keyway. If you use metal keyway in your project, you probably need our JPS PVC Caps . All of our PVC caps are...

Sunday, September 30, 2018

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I am proud to announce that J P Specialties, Inc. now manufactures PVC waterstop. Earth Shield® Polyvinyl Chloride Waterstop (PVC) is the p...

Sunday, September 16, 2018

Understanding Waterstop

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To understand what a waterstop is, it is helpful to understand what it is not. Waterstop will not prevent the migration of moisture through...

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Sunday, September 09, 2018

HDPE Waterstop for Hydrocarbons

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Earth Shield® HDPE Waterstop is a specialized thermoplastic that is ideally suited for hot petroleum oils, diesel fuel, aromatic hydrocarb...

Friday, September 07, 2018

Flat Strip Waterstop

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Flat strip waterstop is installed most often in below grade applications, with limited movement. Flat strip waterstop functions in constru...

Wednesday, September 05, 2018

We're Hiring

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We currently have two positions to fill: Welder/Fabricator and Extruder Operator. Great pay and benefits included. If you're interested ...

Tuesday, August 07, 2018

JP216L Retrofit Waterstop for Chemical Containment

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Earth Shield ® part no. JP216L Retrofit Waterstop is designed to provide a fluid-tight seal between existing and new concrete construction,...

Monday, April 30, 2018

TPV Waterstop for Secondary Containment

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Earth Shield® Thermoplastic Vulcanizate Waterstop is used as a fluid-tight diaphragm, embedded in concrete, across and along the joint, fo...

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About Me

David R. Poole: Temecula, California, United States; David R. Poole is president of JP Specialties, Inc. - a company dedicated to innovation and excellence within the concrete construction industry. David serves as Secretary of American Concrete Institute (ACI) 350 Environmental Engineering Concrete Structures Subcommittee K (Hazardous Materials) and G (Tightness Testing), and also serves as an Associate Member on Subcommittee A (General and Concrete). A member of the San Diego Chapter of the Construction Specifications Institute (CSI), and a frequent public speaker, David’s accredited engineering seminars are requested nationwide by major engineering firms including Montgomery Watson Harza, CH2M Hill, Carollo Engineers, Jacobs Engineers, Camp Dresser McKee, Fluor Corp., Kellogg Brown & Root, and many others. David has also taught waterstop theory, technology, and installation to project owners, concrete accessories distributors, and contractors in the field. David has consulted on and written national CSI-format 3-part specifications for a variety of engineering firms and governmental agencies including the July 1995 U.S. Army Corps of Engineers Master Specification (CEGS 03250).

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