Sikaflex®-508

Low emission multipurpose STP sealant

Sikaflex®-508 is a low emission one-compo- nent isocyanate free sealant based on the Sika Silane Terminated Polymer (STP) technology. Sikaflex®-508 meets the most severe environment, health and safety standards and sets a new benchmark in this technology. The product cures on exposure to atmospheric humidity to form a durable elastomer.  

  • Very low emission
  • Compatible with foamed polysterene (XPS)
  • Bonds well to a wide variety of substrates without the need for special pre-treatments
  • Easy to process
  • Low odour
  • Isocyanate, phthalate, plasticizer, solvent and PVC free