Sika 4A Water Stop

Sika 4A Water Stop is a rapid setting waterproofing admixture. When mixed with ordinary Portland cement and water, it sets rapidly to seal areas of severe water infiltration through concrete, rock or masonry.

BENEFITS:

- Rapid setting for rapid leak plugging and/or fixing
- Ready to use, just add clean water and ordinary Portland cement
- Does not contain chlorides
- Solvent free

RECOMMENDED FOR:

- Used as preliminary waterproofing work on wet surfaces or where there is general infiltration of water, prior to the application of subsequent cementitious render or gunite
- Typical applications are tunnels and culverts, mine galleries, water reservoirs, concrete pipes and manholes
- Used in quick setting mortar for assembly work, e.g. for fixing anchors, bolts and other fitting subject to early loading in rock or concrete