CEN EN 410: Glass in building - Determination of luminous and solar characteristics of glazing
SDO: CEN: European Committee for Standardization
DOD Adopted ANSI Approved Approved
This European Standard specifies methods of determining the luminous and solar characteristics of glazing in buildings. These characteristic can serve as a basis for lighting, heating and cooling calculations of rooms and permit comparison between different types of glazing.
This European Standard applies both to conventional glazing and to absorbing or reflecting solar-control glazing, used as vertical or horizontal glazed apertures. The appropriate formulae for single, double and triple glazing are given.
This European Standard is accordingly applicable to all transparent materials except those which show significant transmission in the wavelength region 5 µm to 50 µm of ambient temperature radiation, such as certain plastic materials.
Materials with light-scattering properties for incident radiation are dealt with as conventional transparent materials subject to certain conditions (see 5.2).
Angular light and solar properties of glass in building are excluded from this standard. However, research work in this area is summarised in Bibliography ,  and .
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