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| U Values (W/M2C) | ||||
| Construction | SHD | NOR | SEV | |
| Window | - Single (wood) | 3·80 | 4·30 | 5·00 |
| - Single (metal) | 5·00 | 5·60 | 6·70 | |
| - Double (wood) | 2·30 | 2·50 | 2·70 | |
| - Double (metal) | 3·00 | 3·20 | 3·50 | |
| Floor | - Solid, good, 4 exp | · | 1·47 | · |
| - Solid, good, 2 exp | · | 1·07 | · | |
| - Wood, good, Lino | · | 1·05 | · | |
| - Wood, good, Carpet | · | 0·99 | · | |
| Roof | -Tiles, felt, Plasterboard | 1·40 | 1·50 | 1·60 |
| - As above + boarding | 1·30 | 1·30 | 1·30 | |
| - As above + glass fibre | 0·49 | 0·50 | 0·51 | |
| Wall | - Solid Brick + Plaster | 2·00 | 2·10 | 2·20 |
| - Cavity 260mm Plaster | 1·40 | 1·50 | 1·60 | |
| - Cavity 375mm Plaster | 1·20 | 1·20 | 1·20 | |
| - Concrete, Plastered | 0·95 | 0·97 | 1·00 | |
| - Concrete + Plaster in & out | 0·82 | 0·84 | 0·86 | |
|
Ventilation |
· | · |
0·33 |
· |
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