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Densostrip External Concrete Joint Sealing System

High performance external concrete joint sealing system for the prevention of backfill infiltration.

An external joint sealing system comprising a fast drying bitumen based primer overwrapped by a tape constructed with a non-rotting synthetic carrier, impregnated with an adhesive mastic, and backed one side with a durable PVC laminate. The adhesive mastic is protected with a siliconised release film which is removed during application. For sealing the external joints of precast concrete pipes, culverts and crown units.

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  • Highly conformable sealing membrane prevents backfill infiltration
  • Simple installation procedure
  • Suits all component sizes
  • Surpasses the requirement for outmoded mortar or banded joints
  • Cold-applied
  • Tenacious adhesion
  • Economical
  • Accommodates joint deflection
  • WCD Densostrip External Concrete Joint Sealing System


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