Thioflex 600

A multi-component, gun and pouring grade, polysulfide sealant for sealing movement joints in building and civil engineering structures including superstructures, floors, basements and subways. Designed to adhere to primed concrete, glass, aluminium and stainless steel, Thioflex 600 is recommended for use on high-rise buildings and other applications where access for subsequent maintenance may be restricted.

Complies with:

  • BS 4254 and BS 6920.
  • DTp specification for Highway Works, December 1991, series 1000, clause 1017.
  • Drinking Water Inspectorate Regulations 31(4)b of the Water Supply (Water Quality) Regulations 2000 and 2001.

General information

Uniclass 2015

Pr_30_31_76_62 Polysulfide construction joint sealantsPrimary


E40/530 Sealant

F30/610 Movement joints with sealant

F30/76 Movement joints with sealant

H42/661 Sealant joints

H51/610 Sealant jointing

M10/468 Sealant movement joints with metal edgings

Specification data - Polysulfide construction joint sealants

Product Reference

Thioflex 600



Joint backing: Expandafoam polyethylene cord backing

Joint backing: Hydrocell XL

Bond breaker: Self adhesive bond breaking tape

Use where there is insufficient joint depth for a cord backing. Not required when using Expandafoam or Hydrocell XL as joint backing.

Primer: Fosroc Primer 7

Use on concrete, stone, brickwork, timber and unglazed edges of ceramic tiles. Not required on non porous surfaces.

Standard product features


Only available in grey.

Joint width:

5–50 mm.

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