Walls

Compositions

Conductivity λ in W·m⁻¹·K⁻¹

Resistance R in m²·K/W

Density ρ in kg/m³

Deducted surface transmission coefficient Ut in W/(m²·K)

Exterior wall

Wooden cladding

0.23

0.086

650

0.144

Typha box

0.03319

6.628

360

Plywood panel

0.13

0.077

400 to 600

Roof

zinc

116

6.03448E−06

-

0.317

Typha box

0.03319

3.012

360

Slab

Reinforced concrete

1.7

0.176

2400

2.587