Table 6 Economic thickness and total costs for different TIM installed in exterior wall and roof.
No. | Insulation material | Optimum economic thickness (mm) | Total costs per unit (RMB/m2) | ||
|---|---|---|---|---|---|
Wall | Roof | Wall | Roof | ||
/ | Uninsulated | / | / | 106.84 | 179.57 |
A | Polyurethane foam | 20 | 20 | 82.75 | 93.81 |
B | Extruded polystyrene (XPS) | 30 | 40 | 68.29 | 75.23 |
C | Expanded polystyrene (EPS) | 40 | 50 | 68.69 | 75.72 |
D | Rock wool | 60 | 70 | 64.74 | 70.72 |
E | Expanded pearlite | 70 | 90 | 60.95 | 66.01 |
