Sika® 4a Water Stop – Rapid Setting Cement Additive to Stop Leaks – 5L
Sika-4a Water Stop – rapid setting cement additive to stop leaks
Sika®-4a is a rapid setting water stopping cement additive. When mixed with ordinary Portland cement and water, it sets rapidly to seal areas of moderate water infiltration through concrete, rock or masonry.
Key benefits
- 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
Typical applications
- 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
Technical information
| Property | Value |
|---|---|
| Pack size | 5L |
| Shelf life | 12 months |
Available sizes and packs
| Size | Sold as | Code |
|---|---|---|
| 5L | Each | 114454 |
Health and safety
Signal word: Danger (H314, H335). Read the Safety Data Sheet before use.
Download the Sika-4a Water Stop technical data sheet (PDF)
Download the Sika-4a Water Stop safety data sheet (PDF)
Delivery: 4–6 days. Free delivery on orders over £75.
Delivery
Fast & Free Delivery on Eligible Items.
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Returns
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