Sikaflex®-15 LM

High Performance, low-modulus elastomeric sealant

Sikaflex®-15 LM is a low-modulus, high-performance, 1-component, polyurethane-based, non-sag elastomeric sealant. Meets Federal Specification TT-S-00230C, Type II, Class A; ASTM C-920, Type S, Grade NS, Class 100/50, use T, NT, G, A, O, M; Federal Specification for silicones - TT-S-001543 A, Type non-sag. Tested in accordance with ASTM C-1382 for use in EIFS systems.

  • Low modulus of elasticity
  • Easy and ready to use
  • Eliminates time, effort, waste and equipment clean-up
  • High elasticity – cures to a tough, durable, flexible consistency with exceptional cut and tear resistance
  • Stress relaxation
  • Very good adhesion – bonds to most construction materials without a primer
  • Very good reistance to weathering
  • Proven in tough climates around the world
  • Urethane-based, suggested by EPA for radon reduction
  • Can be painted
  • Jet fuel resistant
  • Proven in tough climates around the world
  • Non-leaching
  • Movement capability of +100/-50% (ASTM C 719)