OS 11 b surface protection system
Our OS 11 b surface protection system encompasses a flexible one-coat layer with high crack-bridging capability.

| No. | System Build-Up | Product | Consumption |
|---|---|---|---|
| 1 | Primer | MC-DUR 1320 VK | approx. 300 g/m² |
| Dry shake | Quartz sand | approx. 1,000–2,000 g/m² | |
| 2 | Scratch coat (where required) |
MC-DUR 1320 VK + quartz sand 0.1–0.3 mm | approx. 700 g/m² + approx. 450 g/m² |
| 3 | Dry-shake layer | MC-DUR 2211 MB + quartz sand 0.1–0.3 mm | approx. 2,300 g/m² + approx. 700 g/m² |
| Dry shake | Quartz sand | in excess | |
| 4 | Top seal coat | MC-DUR 1322 | approx. 650 g/m² |
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