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