Structural form

Constructed form

Specific heat capacity C/KJ·(kg·k)⁻¹

Thermal resistance R/m²·k·W⁻¹

Heat transfer coefficient K/W·(m·k)⁻¹

Thermal inertia indicator D

Ground

300 mm Tamp soil

1.01

-

-

-

Walls

400 mm Plain soil is compacted

1.01

0.35

1.96

4.55

Roof

Wood panel roofing: 15 mm Wooden rafters, wooden purlins, 20 plank, 30-mile plates

2.51

0.46

1.61

1.771

Rammed earth roofing: 35 mm Wooden rafters, wooden purlins, 30 rammed earth

2.51

1.01

0.14

3.36

1.16

Slate roofing: 35 mm Wooden rafters, wooden purlins, 40 flagstone

2.51

0.92

0.13

3.39

1.11

Door

45 mm Timber

2.51

-

-

-