Table 2.

The thermal conductivity of the main materials and elements.

Building Material/Element	Thermal Conductivity λ [W/(m·K)]
Hemp–lime mix (wall)	0.080–0.088
Hemp–lime mix (floor A)	0.112
Hemp–lime mix (floor B)	0.065
Timber construction element	0.16
OSB board	0.13
Lime plaster	0.70
Expanded clay aggregate	0.10
Concrete	1.30
Ballast of compacted sand	2.0
Ground soil	2.0