Sikaflex® + Construction Sealant


Sikaflex® + Construction Sealant is a moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant.

  • High elasticity – cures to a tough, durable, flexible consistency with exceptional cut and tearresistance
  • Stress relaxation
  • Can be applied to green/new concrete 24 hours after cure
  • Can be applied on concrete that has been wet 1 hour after water source has stopped
  • Excellent adhesion – bonds to most construction materials without a primer
  • Excellent resistance to aging, weathering
  • Non-staining
  • Urethane-based; suggested by EPA for radon reduction
  • Paintable with water, oil and rubber-based paints (see limitations)
  • Capable of ±35 % joint movement