Crystalline Slurry Coating
Reactive crystalline slurry that penetrates concrete and grows insoluble crystals to permanently seal capillaries.
Overview
Doesn't coat the concrete. It becomes the concrete.
Crystalline Slurry Coating is a reactive crystalline waterproofing coating that becomes a permanent part of the concrete structure. Active chemicals diffuse through the concrete capillaries, react with moisture and free lime, and grow insoluble crystals that block water passage. Unlike membrane systems, it cannot peel, puncture, or detach.
Self-heals fine cracks up to 0.4 mm by reactivating with future water exposure. Suitable for water tanks, basements, and any structure where permanent integral waterproofing is required.
Key Features
- Reactive crystalline chemistry – penetrates and seals from within
- Self-healing – reactivates with water exposure to seal new cracks
- Resists 14 bar+ positive and negative hydrostatic pressure
- Cannot peel, blister, or wear off – permanent
- Potable-water certified (NSF 61)
- Allows concrete to breathe (vapour-permeable)
Technical Specs
Technical Specifications
All values measured at 23°C unless noted. Full test data available in the datasheet.
| Property | Value | Unit |
|---|---|---|
| Form | Single-component grey powder | – |
| Active chemistry | Portland cement + reactive compounds | – |
| Colour | Grey | – |
| Mixing ratio | 5 parts powder : 2 parts water | – |
| Mixed density | 2.0 ± 0.1 | g/cm³ |
| Pot life at 25°C | 30 | minutes |
| Coverage per coat | 0.4–0.5 | kg/m² |
| Total system coverage | 0.8–1.0 | kg/m² |
| Crystalline penetration | Up to 300 | mm |
| Crack bridging (self-heal) | Up to 0.4 | mm |
| Hydrostatic resistance | Up to 14 | bar |
| Compressive strength gain | +10–20 | % |
| Service temperature | −30 to +130 | °C |
| Standards | NSF 61 · ASTM E96 · EN 1504-3 | – |
Applications
Where this product is used
Five typical site applications where our crews specify this product.
Water tanks
Potable and non-potable water tank waterproofing.
Basements
Both positive and negative side waterproofing of basement walls and slabs.
Tunnels
Cut-and-cover and bored tunnel waterproofing.
Retaining walls
Earth-retaining structures with negative-pressure conditions.
Swimming pools
Pool shell waterproofing as primary or secondary protection.
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