Sika Sikalastic M 689 Two-Component Hot-Spray Pure Polyurea Waterproofing Layer
Sikalastic® M 689 (formerly Master Seal M 689) is a two-component, solvent-free, 100% pure polyurea hot-spray waterproofing membrane. It offers very high elasticity and ultra-fast curing, forming a monolithic, fully bonded protective coating for demanding environments requiring high chemical and mechanical resistance.
| Packaging | 425 kg / set |
|---|---|
| Colour | Grey, black, transparent |
| Coverage | — (Actual coverage varies with substrate conditions and application thickness) |
Applications
- Wastewater treatment plants and sewage pipelines
- Secondary containment protection in the chemical and petrochemical industries
- Concrete, cement mortar or steel substrates — protecting against carbonation, chloride attack or chemical attack in industrial environments
Advantages
- Excellent chemical resistance, abrasion resistance and impact resistance
- High water-vapour permeability with excellent waterproofing and ponding-water resistance
- Thermoset material — does not soften at high temperatures