the reinforced insulation of a glazing is brought by a fine transparent layer of money or metallic oxides deposited on one of the interior faces of the double glazing. This layer slightly emissive is opposed to the infra-red radiation and form a thermal barrier, by retaining inside housing heat (primarily that emanating from the heating appliances). The VIR, which also take up a solar duty of control (appreciable in comfort of summer), are equipped with a not very emissive layer which prevents part of external solar energy from penetrating inside housing while preserving an high level of natural illumination.
A double glazing VIR is qualified by two parameters: the coefficient significant Ug in winter, the solar factor significant in summer. In the first case, more it is low better is its thermo isolation; in the second case, more it is low, larger will be the comfort of summer.
A solar factor of 0,42 - characterizing the most powerful VIR for the sector of the habitat - lets pass only 42% of the energy of the sun. I.e. 58% of solar energy do not penetrate in the habitat.
See too
External bonds
- ''' VitrageVir ''' - the site of the Glazing with Reinforced Insulation
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