SikaSwell® S-2 is a professional-grade, one-part polyurethane hydrophilic sealant that swells upon contact with water. Engineered for high-performance sealing, it is a versatile solution for waterproofing construction joints and various structural penetrations.

Its unique formulation features an optimized expansion rate, ensuring a watertight seal without damaging fresh concrete during the curing process. Highly economical and easy to apply, it provides a permanent, water-resistant barrier that is adaptable to a wide range of complex detailing in both residential and industrial construction.

Polyurethane hydrophilic swellable sealant
Pengedap boleh kembang poliuretana hidrofilik
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Uses

Sealing:

• Construction joints

• Pipe and steel work penetrations through walls and floor slabs

• Around all types of penetrations and construction joints

• Construction joints in cable ducts, etc.

Characteristics & Advantages

• Easy to apply

• Good adhesion to various substrates

• Optimised expansion rate, therefore no damage to fresh concrete during curing

• Highly economical

• Swells in contact with water

• Permanently water resistant

• Adaptable to fit many different types of detailing

Colour

• Oxide red

Packaging

• 600 ml / unipacs