
Sika Sika-1 Waterproofing Additive
Sika®-1 is a general-purpose liquid waterproofing admixture for mortar and concrete. It seals the capillary pores and voids in the cement matrix, forming an effective barrier against the penetration of liquid water.
| Packaging | 20 kg / pail, 200 kg / pail |
|---|---|
| Colour | Yellow |
| Coverage | Coverage depends entirely on mortar/concrete thickness — no standard value. Dilution ratio: Sika-1 : water = 1:10, equivalent to 3% of cement weight (Actual coverage varies with substrate conditions and application thickness) |
Applications
- Plasters, masonry mortars and levelling screeds
- Reinforced and unreinforced concrete
- Brick, concrete and stone substrates
- Interior and exterior applications such as basements, swimming pools, tunnels, water tanks, manholes and culverts
- Suitable for tropical and hot climate conditions
Advantages
- Seals capillary pores and voids in the cement matrix, forming an effective barrier against liquid water penetration
- Improves the impermeability of mortar/concrete
- Ready to use
- Easy to disperse
- Chloride-free