ČSN EN 14501 (746074)

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Anotácia textu normy ČSN EN 14501 (746074):

This document applies to the whole range of shutters, awnings and blinds defined in EN 12216, described as solar protection devices in this document. It specifies the corresponding properties and classifications:

-relating to thermal comfort:

• - the solar factor (total solar energy transmittance);
• - the secondary heat transfer factor;
• - the direct solar transmittance;

- relating to visual comfort:

• - the darkening performance;
• - the night privacy;
• - the visual contact with the outside;
• - the glare control;
• - the daylight utilization;
• - the rendering of colours.

Some of the characteristics (e.g. gtot) are not applicable when solar protection devices are not parallel to the glazing (e.g. folding-arm awnings). This document is not applicable to the solar protection devic