Number in order

Item name

Resistance to heat transfer construction, [(square meter∙C)/W]

R0 required, ref. [3] , Table 1(a)*

Rq min, ref. [4] , Table 1

1

Residential buildings

− walls

1.6

3.3

− attic constructions (4000 [degrees∙day])

2.2

4.95

2

Administrative and household buildings

− walls

1.4

3.3

− attic constructions (4000 [degrees∙day])

2.0

4.95