Expanding Waterstop with XP technology
for concrete construction joints





WATERSTOP® XP is the next generation of waterstop that expands
upon contact with water to form a positive seal to stop water ingress
through cast-in-place concrete construction joints and around
pipe penetrations. Through the use of the patented XP technology,
WATERSTOP® XP is proven effective in a wide range of contamination
environments, including high-saline conditions. Its flexible design also
makes it effective for both horizontal and vertical joints.
WATERSTOP® XP is manufactured in lightweight, flexible coils and
designed to replace passive PVC/rubber dumbbell waterstops —
eliminating the requirement of special pieces, split-forming and seam






  • Vertical and Horizontal
  • Nonmoving Concrete
  • Construction Joints
  • New to Existing Construction
  • Irregular Surfaces
  • Around Through-wall
  • Penetrations, e.g., Plumbing
    and Utility Pipes
  • Around Piles, H-Pile
  • Supports and Other Detailing

Technical Data

Product Sheet

Technical Data (French)


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