water-safe-1WTB Spray’s WATERSAFE-UB™ potable water coating is in compliance with the test passing requirements of NSF/ANSI Standard 61 Section 5 (2011).  This protective coating is approved for direct contact with potable water while providing a tenacious bond to certain thermoset plastic surfaces.   WATERSAFE-UB™ adheres to many polymeric substrates both new and aged, typically without the use of primers or extensive surface preparation. SPI’s potable water liner is a fast setting, rapid curing, 100% solids, flexible aromatic, two component spray polyurea that can be applied to a variety of substrates including suitably prepared concrete and metal surfaces.  It’s extremely fast set gel time makes it suitable for applications down to -20°F.  It may be applied in single or multiple applications without appreciable sagging and is relatively insensitive to moisture and temperature allowing application in most temperatures.


Water Management Industry – Protective Coating Solutions Brochure

Watersafe UB Polyurea Elastomer – Technical Data Sheet



Recommended Uses:


  • Interior liner for potable water containment in storage tanks and pipes.
  • Irrigation canal and aqueduct lining and repair.
  • Water treatment and food processing facilities.
  • Mining operations and landfill containment
  • Food processing plants and cold storage facilities.
  • water-safe-2Bottling and canning facilities.
  • Water retention or decorative ponds.
  • Concrete and steel water storage tanks.
  • Texturing Aged Polyurea.
  • Recoat Urethane Liners.
  • Coating over Organic Primers that are past their recoat window.
  • Top Coat Compatible Existing Membrane Liner.