Quellmax Blackstop

Quellmax Blackstop Waterstop is a bentonite water-stop tape, designed to prevent water ingress through non-movement joints in reinforced concrete structures.

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How does Quellmax Blackstop Waterstop work:

Quellmax Blackstop Waterstop is activated by the alkalinity of fresh concrete, reacts with water and swells preventing water ingress through the joints.

Key Features & Benefits

  • Independently tested for use up to 7bar water pressure
  • A highly effective water-stop, suitable for use in all non-movement construction joints in in-situ reinforced concrete
  • Suitable for both Vertical and Horizontal applications
  • No sticky protection tape to be removed prior to use
  • May be installed using adhesive or a fixing rail
  • Available in various sizes.
  • Designed and manufactured in Germany

Specification Tip for Design Professionals:
Quellmax Blackstop Waterstop may be specified by name or by using the following description: a propriety swellable, sodium-bentonite waterstop tape with crystallisation properties, designed to prevent water ingress through non-movement joints in reinforced concrete structures.

Test Results:

  • First Report


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