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Extracts from Approved Document E

 


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EXTRACTS FROM THE APPROVED DOCUMENT E

 

  Table 1a:  Dwelling houses and flats - performance standards for separating walls, separating floors and stairs that have a separating function.

 

 

Airborne Sound Insulation

DnT,w + Ctr dB

(Minimum values)

Impact Sound Insulation

LnT,w dB

(Minimum values)

  Purpose built dwelling houses and flats

  Walls

  Floors and stairs

 

45

45

 

-

62

  Dwelling houses and flats formed

  by material change of use

  Walls

  Floors and stairs

 

 

43

43

 

 

-

64

 

  Table 1b:  Rooms for residential purposes - performance standards for separating walls, separating floors and stairs that have a separating function.

 

 

Airborne Sound Insulation

DnT,w + Ctr dB

(Minimum values)

Impact Sound Insulation

LnT,w dB

(Minimum values)

  Purpose built rooms for residential

  purposes

  Walls

  Floors and stairs

 

 

43

45

 

 

-

62

  Rooms for residential purposes

  formed by material change of use

  Walls

  Floors and stairs

 

 

43

43

 

 

-

64

(The Building Regulations 2003, Resistance to the passage of sound, Approved Document E, page 8)

Click the following link for a PDF download of the official copy of Approved Document E

Approved Document E

 

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