Item: 5.3.1 In point 5.3.1 of the 2011 edition of the guide, the default value for the roof area of single-family homes and multi-family homes from 1900 is 0.6 W/m²K, while this value is 0.9 W/m²K in the 2007 edition of the guide. Which value is the correct one? - Österreichisches Institut für Bautechnik | OIB

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Item: 5.3.1 In point 5.3.1 of the 2011 edition of the guide, the default value for the roof area of single-family homes and multi-family homes from 1900 is 0.6 W/m²K, while this value is 0.9 W/m²K in the 2007 edition of the guide. Which value is the correct one?

The correct value is 0.9 W/m²K.

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