Two part, flexible, epoxy flooring sealant which can be used against both dry and damp surfaces. Good adhesion to concrete and glass, curing to a tough sealant with good resistance to traffic loads.

Recommended for sealing floor joints in internal situations, such as kitchens, abattoirs and food processing areas.

Not recommended for high movement joints or where prolonged water immersion may occur. Arbo 2020 should be tested before application to joints in natural stone flooring.

Health and safety:

Arbo 2020 is labelled 'Irritant' and the curing agent of Arbo 2020 is labelled 'Toxic'; avoid contact with eyes and skin.

Standard product features

Technical data:

  • Typical Shore A hardness: 55–65.
  • Application temperature: +5°C to +40°C.
  • Service temperature: -20°C to +70°C.
  • Cure time at 20°C: 5–6 hours.
  • Chemical resistance: Unaffected by most alkalis and dilute acids. Resistant to petrol, diesel or jet fuel and most common solvents and vegetable oils. Resistant to most dilute acids and hydrocarbon solvents
  • UV resistance: Good.
  • Service life: 20+ years.
  • Working life: 1.5–2 hours at 20°C.

Movement accommodation:

  • Butt joints (movement in tension and compression): 10%.

Joint sizes:


  • Minimum: 6 mm.
  • Maximum: 25 mm (single application); 50 mm (multiple applications).

Design joint width:

  • Butt joint: Expected movement x 11.


  • Minimum: 10 mm on porous substrates (12 mm in floor joints); 6 mm on non-porous substrates (12 mm in floor joints).
  • Maximum: 25 mm.

Width:depth ratio (within the above minimum/ maximum restrictions):

  • Butt joints: 2:1.
  • Lap or floor joints: 1:1.



  • Special colours by request.

Product specification

An important note about specifying



Adshead Ratcliffe & Co Ltd


+44 (0)1773 826661

Product reference

Arbo 2020


[Concrete grey]
[Light Brown]


[Arbo Cleaner No.17]
Xylene based; not suitable for use with plastics or delicate finishes.
[Arbo Cleaner No.16]
Alcohol based.

Manufacturer details

Derby Road,
Derbyshire, DE56 1WJ
Tel +44 (0)1773 826661
Fax +44 (0)1773 821215
NBS Plus
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