Sikaflex® Construction Sealant

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

  • High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear resistance.
  • Stress relaxation - prevents separation from joint walls.
  • Excellent adhesion - bonds to most construction materials without a primer.
  • Excellent resistance to aging, weathering.
  • Non-staining - compatible with architectural substrates including marble and stone
  • Urethane-based; suggested by EPA for radon reduction.
  • Can be painted over with water, oil and rubber-based paints.
  • Capable of ± 25% joint movement.
  • ANSI/NSF Standard 61 potable water contact-approved formula available by special order only.
  • Meets Federal specification TT-S-00230C, Type II.
  • Meets ASTM C920, Type S, Grade NS.
  • Meets CAN CGSB-19.13-M87.
  • Meets CFIA requirements for incidental food contact.