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Soundproof Flooring System and Installation



Applying soundproofing treatments to flooring has two distinct methods of application, this depends on the type of floor. For Timber Flooring, ensuring a mineral wool is applied beneath the Ply / OSB or MDF board is essential. For Concrete, flanking is a much more apparent issue which has to be resolved before applying any treatment.


For Direct to Concrete:

• Apply the under screed directly to the concrete with an appropriate adhesive.

• Before a further Concrete application ensure a perimeter strip is encased around the perimeter overlapping the top. This way any Skirting board or Plasterboard from the adjoining wall has a flanking barrier from vibration / impact noise.



Requirements for Part E Building Regulations

Table 3.1 Dwelling Houses and Flats – Performance Standards for separating walls, floors and stairs that have a separating function. 

 

 

Value in dB 

Dwellings formed by material change of use 

Walls, floors and stairs 

Airborne Sound Insulation DnT,w + Ctr (Minimum value) 

45 dB 

43 dB 

Floors and Stairs 

Impact Sound Insulation L’nT,w (Maximum values) 

62 dB 

64 dB 

Table 3.2 Rooms for Residential Purposes – Performance Standards for separating walls, floors and stairs that have a separating function. 

 

 

New Build 

Dwellings formed by material change of use 

Walls, floors and stairs 

Airborne Sound Insulation DnT,w + Ctr (Minimum value) 

45 dB 

43 dB 

Floors and Stairs 

Impact Sound Insulation L’nT,w (Maximum values) 

62 dB 

64 dB