Sika®-1 s is an integral admixture which greatly reduces the water absorption of concrete through its pore-blocking and hydrophobic actions. The incorporation of Sika®-1 s in the concrete mix ensures its beneficial effects are distributed throughout the matrix, thus enhancing durability.
- Very low water absorption providing water-tightness and increased durability
- Chloride free
- Ammonia free
- Compatible with other Sika admixtures
- Compatible with most finishes