Arbokol 1000


A high durability, one part polysulphide sealant, suitable for perimeter sealing of timber windows.

Relatively slow initial cure means that this sealant is not recommended for joints wider than 25 mm or for use in public areas/ schools, or areas liable to vandalism.

It is compatible with both paint and stain finishes including water borne products, but excessive movement may cause the paint to crack and induce tears in the sealant.

Resistant to most alkalis and dilute acids, petrol, diesel, jet fuel and many solvents and vegetable oils. Should not cause migratory staining on concrete or masonry.

Very good UV resistance.

Burns, but will not readily ignite, so does not constitute a fire hazard.

Correctly applied, the sealant should not require maintenance, and has an anticipated life in excess of 20 years.


  • BS EN ISO 11600 F-12.5P.

Health and safety:

The product is labelled as harmful; its use should be recorded in the project Health and Safety Plan.

Application temperature:

+5°C to +50°C.

Curing time:

14–28 days, depending on joint configuration and atmospheric conditions.

Joint dimensions:

- Width:

  • Minimum 6 mm; maximum 25 mm (single application).

- Depth

  • Porous substrates: Minimum 10 mm; maximum 12.5 mm.
  • Non-porous substrates: Minimum 6 mm; maximum 12.5 mm.

Joint backing:

A combined joint filler/ bond breaker, such as closed cell foam polyethylene rod, should always be used to ensure that the sealant adheres only to the joint faces and not to the back. Bond breaker tape should be used where the joint has been packed out with fibre-board.


Use Arbo Primer 925 for brickwork and concrete. Primers are available to suit other substrates – refer to technical literature for details.

General information

Uniclass 2015

Pr_30_31_76_63 Polysulfide glazing compounds and sealantsPrimary


F30/610 Movement joints with sealant

H42/661 Sealant joints

H51/610 Sealant joints

H51/630 Movement joints

L10/75 Sealant joints

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

Product range

Polysulphide Sealants

Specification data - Polysulfide glazing compounds and sealants

Product Reference

Arbokol 1000










Joint backing: Closed cell foam polyethylene rod

Joint backing: Fibre-board with bond breaker tape

Primer: Arbo Primer 925

Product Options


Available in six standard colours

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