Flexible PVC Waterstop
Earth Shield® Polyvinyl Chloride (PVC) Waterstop is used as a fluid-tight diaphragm, embedded in concrete, across and along the joint, for environmental engineered concrete structures. Earth Shield® Flexible PVC Waterstops are resistant to a wide range of water and wastewater treatment chemicals and are certified to meet or exceed the performance requirements of CRD C572-74.
Install Earth Shield® PVC Waterstop in all concrete joints. Waterstop should be centered in, and run the extent of the joint. All changes of directions should be prefabricated (see Shop Made Fittings), leaving only butt-welding for the field. If installing in an expansion joint, keep center bulb unembedded to allow it to accommodate movement as designed. Use optional factory installed brass eyelets (or #3 hog rings) and tie wire to secure waterstop to reinforcing steel to avoid displacement during the concrete pour. Splice straight lengths of waterstop and Shop Made Fittings to straight lengths, with an ST-10® In-Line Waterstop Splicer with the iron temperature set to 350°F to 380°F.
More detailed installation instructions are in our Standard 3-part Specifications.
More detailed installation instructions are in our Standard 3-part Specifications.
WATER IS OUR MOST VALUABLE COMMODITY. IT IS IMPORTANT TO PROTECT IT, EITHER FROM LOSS OR POLLUTION. PROPERLY INSTALLED WATERSTOP ACHIEVES BOTH GOALS.
David R. Poole
Qualified technical assistance is available during any phase of your construction project.
Flexible PVC Waterstop for Concrete Joints
Waterstop indicated in drawings and specifications for contraction (control), expansion, and construction joints shall be Earth Shield® Flexible Polyvinyl Chloride (PVC) Part No. #### [Designer insert appropriate part number here] as manufactured and available from J P Specialties, Inc. — Murrieta, CA, USA 92562 — Phone 800-821-3859; 951-763-7077; www.jpspecialties.com; E-mail [email protected]
Flexible PVC Waterstop for Concrete Joints
Waterstop indicated in drawings and specifications for contraction (control), expansion, and construction joints shall be Earth Shield® Flexible Polyvinyl Chloride (PVC) Part No. #### [Designer insert appropriate part number here] as manufactured and available from J P Specialties, Inc. — Murrieta, CA, USA 92562 — Phone 800-821-3859; 951-763-7077; www.jpspecialties.com; E-mail [email protected]
- Polyvinyl Chloride (PVC) Waterstop shall be certified for use in potable water per NSF/ANSI Standard 61 and NSF 372, ACI 350, and CEGS 03250. Third-party certified documentation to be provided by manufacturer.
- All waterstop welders on the jobsite shall be Manufacturer-certified as waterstop installers. (Certificate in job file).
- A complete waterstop location map (including all straight runs and change of directions) is required at submittal.
- Intersection and change of direction waterstops shall be factory fabricated as manufactured and available from J P Specialties, Inc.
- Quality Assurance — Edge welding will not be permitted. Centerbulbs shall be compressed or closed when welding to non-centerbulb type. Waterstop splicing defects which are unacceptable include, but are not limited to the following:
- Tensile strength not less than 60 percent of parent sections
- Free lap joints.
- Misalignment of centerbulb, ribs, and end bulbs greater than 1/16 inch.
- Misalignment which reduces waterstop cross section ore than 15 percent.
- Bond failure at joint deeper than 1/16 inch or 15 percent of material thickness.
- Misalignment of waterstop splice resulting in misalignment of waterstop in excess of 1/2 inch in 10 feet.
- Visible porosity in the weld.
- Charred or burnt material.
- Bubbles or inadequate bonding.
- Visible signs of splice separation when cooled splice (24 hours or greater) is bent by hand at sharp angle.
- No equals or substitutions allowed.
