Planter Boxes - Liquid Rubber Coating

Liquid Rubber Foundation Sealant is a liquid applied coating that cures into a seamless waterproof membrane. Applications include: concrete, wood, masonry, metal etc. This product is water-based and contains no solvents, is VOC-free and is non-toxic. For color options use our Color Waterproof Sealant. 


  1. Ensure a clean, dry surface
  2. Bridge interior joints, seams etc., with Liquid Rubber Seam Tape or Liquid Rubber Geo-Textile
  3. Build up heavy coats to achieve required thickness. 40 mil (1 mm) Dry Film Thickness
  4. COVERAGE- Apply a minimum final thickness of 1 gallon per 20 sq ft (1.9 sq/m). It should require around 3-4 heavy coats to achieve a 40-60 mil. (1-1.5mm) (DFT) membrane.
  5. 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 heavy 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
  • Safe for Fish and Plants
  • 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

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


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