Rapid setting waterproofing admixture
Sika®-4a 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.
The benefits of Sika®-4a include, but are not limited to the following:
- Rapid setting for rapid leak plugging and/or fixing
- Ready to use, just add clean water and ordinary Portland cement
- Does not contain chlorides
Usage
Sika®-4a is 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. It can also be 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.Advantages
The benefits of Sika®-4a include, but are not limited to the following:- 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
Packaging
5 litres
Colour
Clear liquid
Chemical Base
Blend of inorganic chemicals
Shelf Life
12 months.
Storage Conditions
Store properly in undamaged, original sealed packaging in dry cool conditions at temperatures between 5 °C and 30 °C. Protect from direct sunlight, frost and contamination.