

SikaSwell S-2 is a one-part, polyurethane, hydrophilic sealant that swells in contact with water to effectively seal all types of construction joints and penetrations in concrete structures. It is used to adhere SikaSwell A and SikaSwell P profiles to the concrete structure. The product is permanently water-resistant, elastic, and offers good adhesion to various substrates. It has a controlled expansion rate that does not damage fresh concrete and is adaptable for irregular surfaces. Suitable for use in hot and tropical climates.