Editorial Feature

Thermal Conductivity and Thermal Resistance of Extruded and Pressed House Bricks

Mass produced house bricks are generally manufactured in one of two ways:

         Extrusion

         Pressing

Provided below are the thermal conductivity data for house bricks manufactured using these techniques.

Table 1. Thermal resistance and thermal conductivity data for extruded house bricks (230x110x76mm)

Brick Weight (kg)

Thermal Resistance R
(m2.K/W)

Thermal Conductivity k
(W/m.K)

2.4

0.330

0.33

2.6

0.282

0.39

2.8

0.244

0.45

3.0

0.216

0.51

3.2

0.188

0.59

3.4

0.164

0.67

3.6

0.144

0.76

3.8

0.127

0.87

4.0

0.112

0.98

Table 2. Thermal resistance and thermal conductivity data for pressed house bricks (230x110x76mm)

Brick Weight (kg)

Thermal Resistance R
(m2.K/W)

Thermal Conductivity k
(W/m.K)

3.8

0.127

0.87

4.0

0.112

0.98

4.2

0.100

1.10

Please note that data may vary between suppliers. The supplied data related to bricks manufactures by Austral Brick and the sizes (in most cases) are standard brick sizes for Australia.

 

 

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