Sikaflex-1c SL is a single component, self-leveling, premium-grade polyurethane sealant with an accelerated curing capacity. Sikaflex 1cSL can be used in concrete joint 24 hours after the concrete is poured and also in damp concrete applications. Meets Federal Specification TT-S-00230C, Type I, Class A. Meets ASTM C-920, Type S, Grade P, Class 25, use T,M, A, G, I.

Where to use

Sikaflex-1c SL is used to seal horizontal expansion joints and control joints in concrete and cementitious slabs such as:

  • Designed for joints in concrete 24 hours after the concrete is poured or in damp concrete applications.
  • Sidewalks and high traffic entrances
  • Parking lots
  • Balconies
  • Pavements
  • Terraces
  • Warehouses
  • Factories
  • Civil Structures
  • Plazas
  • Pitch Pans

characteristics & advantages

  • 1-component, no mixing
  • Self-leveling, pourable
  • Accelerated curing
  • Permanently elastic
  • High durability
  • Excellent resistance to point loads (like high hell traffic)
  • Use in concrete joints 24 hours after concrete is poured
  • Use in damp joints 60 minutes after water source has stopped
  • Resists aging, weathering
  • Excellent adhesion
  • Convenient, easy-to-use packaging
  • Jet fuel resistant

packaging & color

10.1 fl. oz. moisture-proof composite cartridges, 24/case

29 fl. oz. moisture-proof composite cartridges, 12/case

5 gallon pails

50 gallon drums


Color: Limestone