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.
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.