Structural element

Structure and construction method (from outside to inside)

U-value(W/m²・k)/solar heat gain coefficient

Wall 1

plastic board (10 mm) + rock wool (50 mm) + aerated concrete block (300 mm) + cement-lime mortar (8 mm)

0.33

Wall 2

plain concrete (300 mm)

0.96

Roof

XPS board (70 mm) + Metal deck insulated (80 mm)

0.73

Ground

packed soil (300 mm) + gravel pebble (400 mm) + air layer(500 mm) + fine aggregate concrete (100 mm) + cement mortar (20 mm)

0.47

Window

Low-E glass (6 mm) + air layer (9 mm) + transparent glass (6 mm)

2.4/

0.75

Door

solid wood door (40 mm)

2.71