Mauritius Construction Solution: Nitocote CM210 for Water Retaining Structures
Nitocote CM210 is a two-component, polymer-modified cementitious coating designed for highly durable waterproofing. It cures into a flexible, elastomeric membrane that can bridge cracks and resist high hydrostatic pressures, making it ideal for water-retaining and water-excluding structures in Mauritius, such as potable-water tanks, basements, reservoirs, and culverts.
The coating resists 5 bar positive and 3 bar negative water pressure, making it suitable for potable water tanks, basements, wet areas, and swimming pools. Once cured, it forms a seamless, durable, impermeable layer with excellent bond strength and long-term performance.
| Property | Value |
|---|---|
| Type | 2-component polymer modified cementitious coating |
| Colour | White / Grey |
| Mixed Density | 1850 kg/m³ |
| Pot Life @ 20°C | 2 hours |
| Pot Life @ 35°C | 1 hour |
| Minimum Application Temp. | 5°C |
| Crack Accommodation (Static) | 1.5 mm |
| Crack Bridging Capability | 1.85 mm (±5%) |
| Positive Pressure Resistance | 5 bar (50 m head) |
| Negative Pressure Resistance | 3 bar (30 m head) |
| Tensile Strength @ 28 Days (ASTM 412) | 0.939 MPa |
| Elongation @ 28 Days | 35% |
| Tensile Strength (Water Cured) | 0.975 MPa |
| Elongation (Water Cured) | 37% |
| Abrasion Resistance (ASTM D4060) | Excellent |
| CO₂ Diffusion Resistance | > 50 m |
| Fire Rating | Class A (ASTM E84) |
| Coverage @ 1 mm | 10.8 – 11.7 m² per 23 kg set |
| Recommended System Thickness | Minimum 2 mm (2 coats) |
| Pack Size | Powder 18 kg + Liquid 5 kg |
| Shelf Life | Powder 12 months; Liquid 9 months |
Full crystallisation may require 2–3 weeks after application.
Yes, it resists up to 1 bar negative pressure.
No, the waterproofing occurs inside the concrete.
No, it is only for static cracks. Use injection grout for moving cracks.
Re-dampen the surface and then apply the next coat.
Yes, moisture is required for crystal growth — curing is mandatory.
Yes, using the dry shake method.
It is suitable for water structures but confirm local approvals if required.
Immediately after use — cured material requires mechanical removal.
Yes, a plaster sprayer can be used for slurry application.
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