2013NF S31-049-1:2013 Acoustics - Laboratory measurement of sound insulation of building elements - Part 1: application rules for specific products
2005NF S31-049-3/A1:2005 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 3 : laboratory measurements of airborne sound insulation of building elements - Amendment 1 : installation guidelines for lightweight twin leaf partitions.
2005NF S31-049-11:2005 Acoustics - Measurement of sound insulation in buildings and of building elements - Part 11 : laboratory measurements of the reduction of transmitted impact sound by floor coverings on lightweight reference floors.
1998NF S31-049-6:1998 Acoustics. Measurement of sound insulation in buildings and of building elements. Part 6 : laboratory measurements of impact sound insulation of floors.
1997NF S31-049-8:1997 Acoustics. Measurement of sound insulation in buildings and of building elements. Part 8 : laboratory measurements of the reduction of transmitted impact noise by floor coverings on a heavyweight standard floor.
1995NF S31-049-3:1995 Acoustics. Measurement of sound insulation in buildings and of building elements. Part 3 : laboratory measurements of airborne sound insulation of building elements.
0000 NF S31-049-10:1993
1985NF S31-051:1985 Acoustics. Measurement of the acoustic insulation of buildings and building components. Laboratory measurement of insulation against airborne noise of building components.