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Penebar SW-55 is a bentonite swellable 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 to avoid some of the problems that have been associated with traditional water-stops on many building sites, such as:
- 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 if installed with a minimum of 50mm cover.
Size: 24W x 9H (mm) – 6 x 4m rolls (24m total)
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$331.90
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 pipe.
- Car parks, etc.
