Akfix Sika for Construction

Akfix P645 is a one-component, high-modulus polyurethane sealant that cures on exposure to atmospheric humidity. It possesses excellent adhesion to sheet iron, aluminum, stainless steel, lead, copper, ceramic, glass, wood and various plastic materials.



  • Permanently flexible
  • Non-sag consistency – Exceptional thixotropy
  • Non-sticky / does not pick up dirt
  • High mechanical resistance
  • Improved storage stability
  • Easy to gun, can be easily smoothed
  • Over-paintable
Application Areas

  • Body construction of cars, containers, caravans, etc.
  • Sealing and bonding of ventilation ducts, gutters, and spouts, etc.
  • Sealing of sheet metal seams
  • For vibration reduction in all types of sheet metal assembly works
  • Sealing against water, air, gas, and dust.


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