Sikaflex® Mortar Fix

Sikaflex® Mortar Fix is a moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant capable of ± 25 % joint movement. Meets Federal specification TT-S-00230C, Type II. Meets ASTM C 920, Type S, Grade NS.

  • Excellent adhesion – bonds to most construction materials without a primer.
  • Textured appearance blends well to rough or stucco type surfaces.
  • Hides imperfections from tooling that a smooth sealant does not.
  • Excellent resistance to aging, weathering.
  • Non-staining.
  • Paintable with water-, oil- and rubber-based paints.
  • High elasticity – cures to a tough, durable, flexible consistency with exceptional cut and tear-resistance.
  • Stress relaxation.
  • Urethane-based; suggested by EPA for radon reduction.