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Thermal resistance in common building elements as walls, floors and roofs above and below the ground
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The thermal resistance in some common building elements can be found in the table below. The values can be used to calculate Heat Loss from Buildings.
| Thermal Resistance Inside and Outside Walls | Resistivity (m2K/W) | ||
| Ri
= 1/fi 1) |
Ro
= 1/fo 1) |
Ri+ Ro | |
| Building parts against the surrounding environment | 0.13 | 0.04 | 0.17 |
| Building parts others | 0.13 | 0.13 | 0.26 |
| Thermal Resistance for Building Elements against Earth | Resistivity (m2K/W) |
| Re | |
| Floors 0.5 m above to 0.5 below earth bound, 0-1 m from inside outside wall - without cold bridge protection | 0.2 |
| Floors 0.5 m above to 0.5 below earth bound - with cold bridge protection | 1.0 |
| Centerfield above 1 m from inside outside wall | 1.5 |
| Basement floors 0.5 m below earth bound | 2.0 |
| Basement walls under earth bound, the whole wall against the earth, where h is the basement floors level below the earth bound (m) | 0.2 + 0.3 h |
| Basement walls under earth bound, basement floor against the earth and partly against air | 2.0 |
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