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Thermal insulation in Greece - U-values
Here are the U-value requirements according to the the latest Greek law, called ΚΕΝΑΚ (Κανονισμός Ενεργειακής Αποδοτικότητας Κτιρίων) Greek State Journal B 407/2010 (9 April 2010)
According to the law there are fou climate zonea (A, B, Γ, Δ). Maximum U-values for these zones are as follows
| U (W/m2K) | Zone Α | Zone Β | Zone Γ | Zone Δ |
Walls
| 0,6 | 0,5 | 0,45 | 0,40 |
Roof
| 0,5 | 0,45 | 0,40 | 0,35 |
Floors/ pilotis
| 0,5 | 0,45 | 0,4 | 0,35 |
