Sikaflex PRO-3 SL

1-part High Performance, Self-levelling Sealant for Floor Joints


Sikaflex PRO-3 SL is a moisture curing, self-levelling, 1-part elastic sealant based on polyurethane with high mechanical resistance. For indoor and outdoor applications.
Suitable for use in hot and tropical climatic conditions.


  • 1-component
  • Self-levelling
  • Bubble free curing
  • Movement capability 25 %
  • Easy to apply
  • Excellent adhesion to most substrates
  • Good mechanical and chemical resistance

Click here to view the SikaFlex PRO-3 Video

Recommended For

Sikaflex PRO-3 SL is a self-levelling floor joint sealant suitable for:

  • Movement and connection joints in floors
  • Indoor and outdoor applications for pedestrian and traffic areas (e. g. parking decks, car parks)
  • In warehouses and production areas
  • On surfaces such as in the food industry
  • In ceramic tiles such as in public buildings etc.
  • Floor joints in tunnel construction

Specification Compliances

Conforms to EN 15651-4 class 25 HM CC for uses in cold climate
ISO 11600 25 HM
Isega Certificate for foodstuff area usage
Conforms to BS 6920 (drinking water contact)

Available in

600ml foils in the following colour:


Store in dry conditions in original sealed packaging at temperatures between +5°C and +25°C. Protect from direct heat and sunlight.

Shelf life

Minimum 12 months from date of production if stored in undamaged and unopened original sealed containers.