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Requirements For Separating Walls, Floors And Stairs In Dwellings And Flats

Download PDF Version Legal Requirments

New Build Airborne Sound Insulation (DnT,w + Ctr dB minimum values) Impact Sound Insulation (L'nT,w dB maximum values)

Walls

45

Floors & Stairs

45

62

Conversions

Walls

43

Floors & Stairs

43

64



Requirements For Separating Walls Floors And Stairs In Rooms For Residential Purposes (hostels, hotels, boarding houses, halls of residence or residential homes)


New Build Airborne Sound Insulation (DnT,w + Ctr dB minimum values) Impact Sound Insulation (L'nT,w dB maximum values)

Walls

43

Floors & Stairs

45

62

Conversions

Walls

43

Floors & Stairs

43

64

Requirements For Internal Walls, Floors, Stairs And Rooms For Residential Purposes


New Build and Conversions
Airborne Sound Insulation (Rw dB)

Walls

40

Floors & Stairs

40

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