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Norm
ÖNORM EN 13947
Issue date: 2007 02 01
Thermal performance of curtain walling - Calculation of thermal transmittance
This European Standard specifies a method for calculating the thermal transmittance of curtain walls consisting of
glazed and/or opaque panels fitted in, or connected to...
Withdrawn: 2007 08 01
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 55 Pages
Language:
German
| English
Currently valid:
Optionally co-design standards:
This European Standard specifies a method for calculating the thermal transmittance of curtain walls consisting of
glazed and/or opaque panels fitted in, or connected to, frames.
The calculation includes:
different types of glazing, e.g. glass or plastic; single or multiple glazing; with or without low emissivity coating;
with cavities filled with air or other gases;
frames (of any material) with or without thermal breaks;
different types of opaque panels clad with metal, glass, ceramics or any other material.
Thermal bridge effects at the rebate or connection between the glazed area, the frame area and the panel area are
included in the calculation.
The calculation does not include:
effects of solar radiation;
heat transfer caused by air leakage;
calculation of condensation;
effect of shutters;
additional heat transfer at the corners and edges of the curtain walling;
connections to the main building structure nor through fixing lugs;
curtain wall systems with integrated heating.
ÖNORM EN ISO 12631
2018 01 01
Thermal performance of curtain walling - Calculation of thermal transmittance (ISO 12631:2017)
Norm
ÖNORM EN ISO 12631
2013 01 15
Thermal performance of curtain walling - Calculation of thermal transmittance (ISO 12631:2012)
Norm
ÖNORM EN 13947
2007 08 01
Thermal performance of curtain walling - Calculation of thermal transmittance
Norm
ÖNORM EN 13947
2007 02 01
Thermal performance of curtain walling - Calculation of thermal transmittance
Norm
↖
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Thermal performance of curtain walling - Calculation of thermal transmittance