Fast Bitum Flex

Short description

A rubberised bitumen emulsion that provides a liquid waterproofing system. An all-in-one system. There is no need for separate primers (apart from metal surfaces). It has excellent adhesion and is tough, flexible and non-toxic. Is koi fish friendly.

Intended Uses

For dams, ponds, water tanks, roofs, tiles & parapets.


  • Type: Waterproofing
  • Ranges: Fast
  • Project: Exterior, Roof
  • Available-sizes: 1L, 20L, 5L
  • Guarantee: N/A
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Features & benefits

  • Suitable for use in potable water conditions
  • Ideal for use in koi ponds and dams
  • Waterproofing flat roof areas
  • Sealing joints, laps and roofing screws on corrugated roofs
  • Quick drying
  • Exterior use

Product information

  • Type: Bitumin Acrylic Hybrid System
  • Appearance: Black
  • Colours: Black
  • Tint Bases: N/A
  • Solid Approx.:
  • S G at 23 °C: Approx.: 1,23
  • Flash point: Non-flammable
  • Theoretical spreading rate: 2,1m²/ℓ full system
  • Practical spreading rate: The practical spreading rate will vary depending on the porosity and profile of the substrate, as well as the application technique and tools used, all surfaces must be completely dry

Application details

  • Mixing: Stir thoroughly with a flat paddle until homogeneous
  • Method: Brush, roller or spray
  • Thinning: Not recommended - ready for use
  • Cleaning: Water
  • Drying time: 4 Hours
  • Recoating time: 24 Hours
  • Application: Use product in conjunction with a waterproofing membrane to provide a liquid waterproofing system

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