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Ultrachem Waterstop SW

Ultrachem Waterstop SW is a polymer modified rubber waterstop that expands upon contact with water. As it expands it will close the gaps in concrete joints and stop water from penetrating

Products > Waterproofing > Ultrachem Waterstop SW

Waterstop swellable
Waterstop rubber

Application area


Ultrachem Waterstop SW can be used to seal gaps in concrete joints in:

  • Basement

  • Precast wall panels

  • Pipe connection

  • box culverts

  • Drains and portable water tanks


  • Very effective for wet areas

  • Easy application

  • Expansion is not affected by long wet / dry cycles

  • Maintains shape after expansion

  • Does not expand immediately when exposed to water so that it has more tolerance in the field


SW 205: 1 roll = 5 mm x 20 mm x 15 m

SW 210: 1 roll = 10 mm x 20 mm x 10 m

Color:   Black

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