Pond Sealer Black

Pond Sealer Black is a seamless membrane, designed for waterproofing new or renovated fish ponds and water features.  Consisting of a heavy-duty synthetic rubber compound, Pond Sealer Black is a tough elastomeric material that will remain watertight under permanently wet conditions.

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  • Features & Benefits
  • Areas of Use

Features & Benefits

  • Remains permanently flexible to accommodate structural movements.
  • Non-toxic and safe for fish and plants.
  • Suitable for use in collecting or storing drinking water.
  • Safe and easy to apply.
  • Excellent adhesion to substrates.
  • Quick drying.
  • Good crack bridging properties.
  • Easy to repair.

Areas of Use

  • Fish Ponds
  • Ornamental Water Features
  • Not suitable for use is chlorinated water


Consistent with the 50 year history of Crommelin, our management team is committed to providing all customers with sound technical advice, innovative products and acceptance of responsibilities associated with our specifications and systems. Warranties of up to 15 years are issued following Quality Assurance procedures. They consist of tailored specifications, maintenance schedules and on site support. Please contact Crommelin for further information.

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