Isocyanate free multi purpose sealant

Sikaflex®-501 is 1-component Silane Terminated Polymer (STP) sealant that cures on exposure to atmospheric humidity. It is a universal sealant for interior and exterior applications.  

  • Fast skinning
  • Bonds well to a wide variety of substrates without the need for special pre-treatment
  • Low odor
  • Isocyanate- and solvent-free
  • Silicone- and PVC-free