Foster 40-20LO Acrylic Copolymer Emulsion Coating

Foster 40-20LO is an acrylic copolymer emulsion coating specifically formulated to seal the surfaces of substrates. When used over duct liner insulation it will seal and re-surface the insulation, retarding release of loose fibres. The dried film is resistant to the growth of mould and mildew. As a result, when used in HVAC duct systems building occupants may enjoy a work space free of the odour problems often associated with contaminated systems. It is ideal for sealing surfaces after mould remediation has been completed.

Key Benefits

  • Provides a tough, elastic, decorative finish that allows for movement without splitting
  • Contains specialty pigments, helps protect from rust when used on metal surfaces such as galvanised and primed mild steel


  • Provides a cost effective decorative finish
  • Can be used on walls, ceilings, pipes, interior and exterior surfaces of HVAC duct systems

Compatible Substrates

  • Concrete
  • Fibre cement sheeting
  • Masonry/brick
  • Metals
  • zinc/galvanised steel
  • Timber

Packaging Options

  • 15L Pail


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