OS 8 surface protection system
MC-DUR TopSpeed
Our OS 8 surface protection system with MC-DUR TopSpeed offers a rigid coating, very high mechanical resilience and a very good cleanability to EN 11998. Furthermore, it boasts very short overworking times and rapid curing to final strength and it is totally resistant to UV and yellowing and open to water vapour diffusion.

| No. | System Build-Up | Product | Consumption |
|---|---|---|---|
| 1 | Primer | MC-DUR TopSpeed SC | approx. 300 g/m² |
| 2 | Scratch coat | MC-DUR TopSpeed SC + quartz sand 0.1–0.3 mm | approx. 600 g/m² + approx. 600 g/m² |
| 3 | Dry-shake layer | MC-DUR TopSpeed SC + quartz sand 0.1–0.3 mm | approx. 900 g/m² + approx. 900 g/m² |
| Dry shake | Quartz sand | in excess | |
| 4 | Top seal coat | MC-DUR TopSpeed | approx. 500 g/m² |
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