Sikaflex 1C-SL Self Leveling Sealant | Polyurethane Joint Sealant

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Item #: SIKA-1C-SL-29-12
Availability: Stock
Usually ships In 2-5 Business Days
  • 1-component, no mixing
  • Self-leveling, pourable
  • Accelerated curing
  • Permanently elastic
  • High durability
  • Resists aging, weathering
  • Excellent adhesion
  • Convenient, easy-to-use packaging


ALSO Available in 5 gallon pails upon request

Price: $273.80

    Sikaflex 1C-SL Self Leveling Sealant is a premium-grade, single-component polyurethane sealant designed for horizontal expansion joints in concrete and cementitious surfaces. Its self-leveling formula flows smoothly into joints, creating a durable, flexible seal that helps protect against water infiltration, weather exposure, and joint movement.

    Engineered for professional construction and industrial applications, Sikaflex 1C-SL offers excellent adhesion, abrasion resistance, and long-term elasticity, making it ideal for demanding traffic-bearing environments.

      Click on the Additional Information tab to download the Sikaflex Product Data Sheet