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BICESTER PRODUCTS LTD

Soundproofing Specialists & Suppliers

Sound Insulation Value of Timber Stud Partitions

1

2

3

4

5

12.5mm plasterboard each side of 75mm timber studs at 600mm centres

Plus one layer of SBM5 and

one additional layer of  plasterboard to one side only

 Plus one layer of SBM5 and one additional layer of plasterboard to both sides Plus one layer of M20AD and two additional boards to both sides Plus one layer of M20AD and two additional boards to both sides

   

Detail

Nominal partition

thickness (mm)

Approx. weight (kg/m2)

Fire resistance (hours)

Expected sound loss with no infill

(dB)

 Min. expected sound loss with AMW75 infill (dB)
1 100 19 1/2 30 34
2 115 33 1/2 33 37
3 130 47 1 37 42
4 145 91 1/2 40 45
5 190 125 1 42 47

 

The estimated soundproofing performance of the stud partitions shown above are for partitions with no holes and all joints properly sealed. The sound insulation performance indicated may vary from site to site and should only be used as a guide.

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©2005 Sound Service (Oxford) Ltd.