Polyurethane hydrophilic swellable 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.
- 1-part, easy and fast to apply
- Highly economical joint sealing solution compared to other systems
- Versatile solution for joints and details
- Optimised expansion rate, no damage to fresh concrete
- Permanently water resistant (wet & dry cycles)
- Good adhesion to various substrates