Sikaflex® PRO-3 SL

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

Sikaflex® PRO-3 SL


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)

MSDS & Technical Datasheets

Click to download MSDS

Click to download the
Technical Datasheet

Click to download DOP

Available in

600ml foils in the following colour:

Colour Chart

Click to download the
Colour Chart


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.