Sikaflex® 2c SL is a two-component, premium-grade, polyurethane-based, elastomeric sealant. It is principally a chemical cure in a self-leveling consistency.


  • True self-leveling properties.

  • Capable of ±50% joint movement.

  • Chemical cure allows the sealant to be placed in joints exceeding 13 mm (1/2 in) in depth.

  • High elasticity with a tough, durable, flexible consistency.

  • Exceptional cut and tear resistance.

  • Exceptional adhesion to most substrates without priming.

  • Available in 40 architectural colours.

  • Colour uniformity assured via Color-pak system.

  • Available in pre-pigmented Limestone Grey (no Color-pak needed).

  • Self-leveling consistency, easy to apply in horizontal joints.

  • Easy to mix.

  • Paintable with water, oil, and rubber-base paints.

  • Jet fuel resistant.

  • USDA approved.

  • Booster pak available for faster cure in cold weather.

  • MeetsASTMC920,TypeM,GradeP,Class25,useT,NT,M,G,A,O,I.

  • Meets Federal Specification TT-S-00227E, Type I, Class A.

  • Meets CAN/CGSB 19.24-M90.

  • Canadian Food Inspection Agency acceptance.

  • Ministry of Transport Québec acceptance. 

Where to Use

  • Intended for use in all properly designed working joints with a minimum depth of 6 mm (1/4 in).

  • Ideal for horizontal applications.

  • Placeable at temperatures as low as 4°C (39°F).

  • Adheres to most substrates commonly found in construction.

  • Submerged conditions, such as canal and reservoir joints.

  • Ideal for vehicle traffic joints.