Thioflex 555 is a two component, polysulfide self-levelling type sealant product designed to meet requirements in pavement applications. Machine Grade Product is ideal for fast return to service and should be applied through a suitable metered application machine, by specialist applicators – details on request.

The product retains its movement accommodation of 25% on butt joints throughout temperature extremes. It does not harden in cold weather nor become excessively soft in hot conditions.The width/depth ratio of the seal should be 1:1 to 1½:1 subject to a minimum 10mm depth of sealant (example, contraction joint: 15mm wide x 13mm depth; expansion joint: 25mm wide x 20mm depth).

  • Machine applied grade for efficient, safe application
  • High extrusion rates
  • Fast cure and return to service
  • Available in a hand grade, slower set version
  • Fuel and hydraulic fluid resistance
  • Jet blast resistance
  • Polysulfide – high stress relaxation
  • High resilience
  • Resistant to stone/ dirt pickup
  • High durability and long service life
  • High movement accommodation