Sika acrylic swellable joint sealant is a high-quality, water-reactive sealant designed to ensure watertight joints in concrete structures. When exposed to water, the sealant expands to fill voids, creating a tight seal that prevents water ingress.

Polyurethane Swellable Sealant

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.

Characteristics

1-part, easy and fast to apply

Highly economical joint sealing solution

Versatile solution for joints and details

Hydrophilic swellable joint

Swellable joint sealing profiles
SikaSwell® A is a rectangular acrylic sealing profile. It swells in contact with water to seal all types of construction joints and penetrations in concrete structures.
 

Characteristics

Highly economical joint sealing solution

Unique properties fill small cracks and voids

Versatile solution for joints and details

Permanently water resistant (wet & dry cycles)

Resistant to various chemical substances

Easy and fast to apply