SikaSwell® S-2

Hydrophilic, swellable joint sealant

SikaSwell® S-2 is a 1-part, hydrophilic polyurethane sealant that expands upon contact with water, effectively sealing construction joints and penetrations in concrete structures. It is used to adhere SikaSwell® A and SikaSwell® P profiles to the concrete structure.

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