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Pond Repair - Liquid Rubber Coating

Ponds will eventually spring a leak. Whether it’s Concrete, EPDM or Wood, with Liquid Rubber Waterproof Sealant  you’ll be able to fix it in no time. Liquid Rubber Waterproof Sealant is a liquid applied coating that cures into a seamless waterproof membrane. This product is water based and contains no solvents, is VOC-free and is non-toxic. Color options available.


  1. Ensure a clean, dry surface
  2. For EPDM Liners, clean with Acetone and use EPDM Primer
  3. For Concrete, use Liquid Rubber Multi-Purpose Primer
  4. Bridge joints, seams etc., with Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile
  5. Build up heavy coats to achieve required thickness. 80 mil (2 mm) Dry Film Thickness
  6. Apply the next heavy coat when the product is dry to the touch and nothing is wet underneath.  Tacky is ok
  7. Allow to dry 5-7 days before filling
  8. Fill for 24-48hrs, drain and wipe clean
  9. COVERAGE - 50 ft2/gal per coat
  10. Apply 3-4 heavy coats
  11. See below for Products used


  • Dust or dirt can cause loss of adhesion
  • Product stays soft, flexible and may have some tackiness
  • Apply the next coat when the product is dry to the touch and nothing is wet underneath.  Tacky is ok
  • Apply material until you use up the required amount
  • ​Use a roller or brush to apply
  • ​Apply above 10C (​50F)
  • ​Curing time depends on temperature, humidity and airflow
  • Do not combine Original Black and Color Products
  • Safe for Fish and Plants
  • Membrane will turn Brown after filling due to surfactants.  Will dissipate over time as you cycle the water and clean
  • Do not apply later in the day if Dew is forecast


  • Original Black

  • Brilliant White

  • Light Grey

  • Med Grey

  • Dark Grey

  • Tan

  • Brown

  • Hunter Green

  • Tintable- Med Base

Due to Computer Monitors, Colours may not be exactly as shown

  • Diy Application

    Check all our DIY applications

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  • Contact us

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Purchase Products

Liquid Rubber Waterproof Sealant/Coating


Seam Tape


Liquid Rubber Multi-Purpose Primer


Waterproof Sealant 5G Kit


Waterproof Sealant 1G Kit


Liquid Rubber RV Roof and EPDM Rubber Roof Primer


Liquid Rubber Colour Waterproof Sealant / Coating


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