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Penebar SW-55 controlled type A is a hydrophillic waterstop that will expand in a controlled fashion when exposed to water. It is a sophisticated water-sealing product that encapsulates hydrophilic materials into a rubber base to create a built in delay system.

What is controlled expansion?

Controlled expansion allows Penebar SW-55 controlled type A to avoid some of the problems that have been associated with traditional water-stops on many building sites:

  • It does not expand prematurely and does not absorb any water from fresh concrete poured against it.
  • It will not expand to a point where the hydration process causes it to disintegrate and hence will not be washed away when subjected to a constant water flow.
  • It will not cause excessive internal pressure in the concrete.
  • Size: 24W x 19H (mm)  –  6 x 5m rolls (30m total)



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$442.97

Uses

Construction joints

Technical Data

Penebar SW-55 can be applied to no-moving, cold joints on all concrete building projects that need protection from moisture ingress, including:

  • Underground structures.
  • Basements.
  • Precast panels.
  • Tunnels.
  • New concrete onto old concrete.
  • Manholes.
  • Retaining walls.
  • Storage tanks.
  • Concrete pipes.
  • Car parks, etc.