Sikaflex®-201 US

Long open time polyurethane sealant

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Sikaflex®-201 US is a multi-purpose 1-component polyurethane sealant which cures on exposure to atmospheric moisture suitable for making permanent flexible and elastic seals. It is designed with a long open time for applications that require additional working time.  

  • Bonds well to a wide variety of substrates
  • Can be sanded and painted
  • Meets the requirements of AAMA 803.3 Type I and AAMA 808.3
  • Listed under NSF/ANSI/CAN 61 ─ Drinking Water System Components (aluminum gray, capitol tan, black, and white)
  • Listed under NSF ─ Proprietary Substances and Nonfood Compounds (aluminum gray, black, and white)
  • Tested to ASTM E84 – Standard Test Method for Surface Burning Characteristics of Building Materials
  • Tested to ASTM E90 – Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
Sikaflex®-201 US