Defines single-number quantities for airborne sound insulation in buildings and of building elements such as walls, floors, doors and windows. Takes into consideration the different sound level spectra of various noise sources. Gives rules for determining these quantities from the results of measurements carried out in one-third-octave or octave bands in accordance with ISO 140-3 to ISO 140-5, ISO-140-9 and ISO 140-10.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
Shqip