| Material | Thickness | Weight |
|---|---|---|
| (mm) | (kN/m 2) | |
| Sand loose | 10 | 0.16 |
| Waterproofing | 10 | 0.14 |
| Plywood | 20 | 0.14 |
| Softwood | 34 | 0.17 |
| Glass wool | 150 | 0.015 |
| Plasterboard (double 12.5mm) | 25 | 0.225 |
| Totals | 249 | 0.85 |
| Material | Thickness | Weight |
|---|---|---|
| (mm) | (kN/m 2) | |
| Sand loose | 10 | 0.16 |
| Waterproofing | 10 | 0.14 |
| Plywood | 20 | 0.14 |
| Softwood | 34 | 0.17 |
| Glass wool | 150 | 0.015 |
| Plasterboard (double 12.5mm) | 25 | 0.225 |
| Totals | 249 | 0.85 |
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