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.

Sikaflex®-201 US provides a longer working time and permanent elastic seal. It is suitable for sealing joints, seams and gaps in many applications including HVAC, metal buildings, tanks and grain bins, non-vehicular window perimeters and many other industrial applications. Suitable substrate materials are metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics.  Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-201 US on materials prone to stress cracking. This product is suitable for experienced professional users only. Tests with actual substrates and conditions have to be performed ensuring adhesion and material compatibility.

• 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)

Sikaflex-201 US: Product Data Sheet                Sikaflex-201 US: Color Chart