Saturday, August 01, 2020

Monday, July 13, 2020

The Little Book of Waterstop Version 2.0

My book, The Little Book of Waterstop Version 2.0 is available for free download here.

The Little Book of Waterstop version 2.0 is the definitive source of waterstop information, including manufacturing, selection, and installation.



Saturday, May 02, 2020

Keyed Waterstop Joints with Keycup and MSB Form

by David R. Poole CSI, ACI

Keycup™ is a multi-function, reusable concrete accessory that securely holds waterstop in place while simultaneously creating a keyed construction joint. Typical applications include:

- Slab on grade
- Wall joints
- Lumber replacement
- Labor saver


MSB Form is an adjustable formwork solution for the concrete construction industry, designed to be compact, lightweight, and strong for all conditions and applications - commercial, industrial, residential, and civil.


When used in conjunction with one another, Keycup and MSB Form are the ultimate labor-saver for keyed concrete slab joints.


Thursday, March 19, 2020

Waterstop with NSF 61 and NSF 372 Certification


J P Specialties, Inc., the manufacturer of Earth Shield® Waterstop, is proud to announce that our PVC waterstops are certified to NSF/ANSI 372 and conforms with the lead content requirements for “lead-free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act.

Additional certifications include:
  • NSF 61 — Safe for drinking water
  • CA Prop 65 — carcinogen-free
  • CRD C-572 — Corps of Engineers specification for waterstop

Qualified technical assistance is available during any phase of your construction project.