SikaSwell® S-2

Hydrophilic swellable joint sealant

SikaSwell® S-2 is a 1-part polyurethane hydrophilic sealant which swells in contact with water to seal all types of construction joints and penetrations in concrete structures. It is used to adhere the SikaSwell® A and SikaSwell® P profiles to the structure.

  • 1-part, easy and fast to apply
  • Highly economical joint sealing solution 
  • Versatile solution for joints and details
  • Optimised expansion rate
  • Permanently water resistant (wet & dry cycles)
  • Good adhesion to various substrates
  • BBA system approvals with SikaSwell® A-2010