Features of rubber water stop
  High elasticity. 
  High elongation.
  Excellent high movement accommodation.
  Capable to withstand high hydrostatic head.
  Adjust for subsidence and seismic movements.
  Hot vulcanized site joints.

Description ofrubber water stop
Rubber waterstop, made of quality SBR (styrenebutadiene rubber),
neoprene rubber or natural rubber, is one of thewidest types for
concrete structure to prevent liquid leaking inor out. Generally,designed
to be cast in the concrete, rubber water stopsare ideal for applications
where high physical properties of rubber arerequired. For example,
reservoirs, dams and other water retaining orexcluding applications with
high movements or water pressure.