Waterproofing
CCH Crystalline WP-200
A cementitious crystalline slurry that reacts with moisture in concrete to grow crystals through the pore structure, permanently blocking capillary water paths from either the positive or negative side.
Technical Specifications
Form
Grey cementitious powder
Mixing ratio
1 : 0.28 (powder : water, by weight)
Coverage
~1.5 kg/m² per coat, 2 coats
Pot life
30–40 minutes at 30°C
Cure time
7 days moist cure before water exposure
Packaging
20 kg pail
Features
- Penetrates and seals capillary pores within the concrete itself
- Self-seals hairline cracks up to 0.4mm as they form
- Applicable from the positive or negative side
- Remains reactive — reseals if new hairline cracking occurs later
Benefits
- Becomes a permanent part of the concrete rather than a surface membrane
- Nothing to puncture, tear or degrade over time
- Breathable — does not trap vapour pressure behind it
- Safe for potable water contact once cured
Application Areas
Basements
Water tanks & reservoirs
Retaining walls
Tunnels & underground structures
Swimming pools
Lift pits
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