Material

Thickness (mm)

λ (W/m˚C)

Density (kg/m³)

Gypsum board

13

0.22

780

OSB board

12

0.13

580

Timber stud

95

0.14

650

Insulation

95

0.039

56

OSB board

22

0.13

580

I-beam

400

0.04

600

Insulation

400

56

Fibre board

35

0.049

500