Some of the projects currently under way will help to limit considerably divergences in measurements of the insulating and sound-proofing properties of double-glazed windows. At present, these divergences constitute definite barriers to trade.
Des projets en cours vont permettre de limiter considerablement les divergences dans les mesures des proprietes isolantes et insonorisantes des doubles vitrages, divergences qui conduisent actuellement a des entraves commerciales reelles.