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Norm

ISO 6946:2017

Ausgabedatum: 2017 06 21

Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods (Corrected version 2021-12)

ISO 6946:2017 provides the method of calculation of the thermal resistance and thermal transmittance of building components and building elements, excluding doors, window...
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ISO 6946:2017 provides the method of calculation of the thermal resistance and thermal transmittance of building components and building elements, excluding doors, windows and other glazed units, curtain walling, components which involve heat transfer to the ground, and components through which air is designed to permeate.

The calculation method is based on the appropriate design thermal conductivities or design thermal resistances of the materials and products for the application concerned.

The method applies to components and elements consisting of thermally homogeneous layers (which can include air layers).

ISO 6946:2017 also provides an approximate method that can be used for elements containing inhomogeneous layers, including the effect of metal fasteners, by means of a correction term given in Annex F. Other cases where insulation is bridged by metal are outside the scope of ISO 6946:2017.

NOTE Table 1 in the Introduction shows the relative position of ISO 6946:2017 within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.

ISO 6946:2017
2017 06 21
Building components and building elements — Thermal resistance and thermal transmittance — Calculati...
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ISO 6946:2007
2007 12 06
Building components and building elements — Thermal resistance and thermal transmittance — Calculati...
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ISO 6946:1996/Amd 1:2003
2003 05 20
Building components and building elements — Thermal resistance and thermal transmittance — Calculati...
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ISO 6946:1996
1996 08 08
Building components and building elements — Thermal resistance and thermal transmittance — Calculati...
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ISO 6946-1:1986
1986 11 20
Thermal insulation — Calculation methods — Part 1: Steady state thermal properties of building compo...
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