| Material | Thickness | Weight |
|---|---|---|
| (mm) | (kN/m 2) | |
| Slate External wall cladding | 5 | 0.14 |
| Softwood 25x50mm battens at 4m/sqm | 5 | 0.025 |
| Oriented strand board | 12.5 | 0.088 |
| Glass wool | 150 | 0.015 |
| Softwood max 50x150C24 studs at 400mm ctrs | 22 | 0.11 |
| Oriented strand board | 12.5 | 0.088 |
| Plasterboard | 12 | 0.108 |
| Plaster | 6 | 0.066 |
| Totals | 225 | 0.639 |
