Exemple

A – Timber stud partition

1 layer of 10mm sound rated plasterboard each side of 90mm timber studs
Fibreglass in cavity

Exampleconstruction06

– – – – Predicted Rw 40

—— Measured Rw 42

Example 2 - Timber stud partition

B – Steel Stud Partition

2 layers of 13mm type X plasterboard each side of 90mm timber studs.
Blanket in cavity.

Exampleconstruction02

– – – – Predicted Rw 42

—— Measured Rw 43

Example 1 - Lined brickwork

C – Lined Brickwork

Clay brick (90mm thick) with 1 layer of 16mm plasterboard fixed to acoustic clip and 25mm fibreglass blanket in cavity.

Example01

– – – – Predicted Rw 49

—— Measured Rw 51

Example 3 - Twin framed wall

D – Twin framed wall

1 layer of 16mm fire rated plasterboard each side of separate 90mm studs. Cavity depth of 200mm. 90mm fibreglass blanket in cavity (16kg/m3).

Exampleconstruction03

– – – – Predicted Rw 57

—— Measured Rw 59

Example 7 - Timber floor

E – Timber floor & ceiling

20mm Particleboard flooring on 300mm timber joists with 2 layers of 16mm Fire rated plasterboard hung on a light steel grid underneath, with fibreglass blanket in the joist cavity

Exampleconstruction07

Example 4 - Concrete floor with suspended roofing

F – Concrete floor & ceiling

Composite Steel floor (Hibond) 120mm thick with suspended light steel grid with 2 layers of 13mm fire rated plasterboard.  75mm fibreglass blanket in the cavity.

Exampleconstruction04

– – – – Predicted Rw 57

—— Measured Rw 59

Example 8 - Steel stud wall

G – Block wall & linings

190mm concrete block lined both sides with 16mm fire rated gypsum board fixed to 75mm steel Z furring channels.  No sound absorber in the cavity

Exampleconstruction08 (1)

 

– – – – Predicted Rw 59

—— Measured Rw 60

Example 10 - Glazing

H – Glazing

5mm monolithic glass with 16mm airgap and 8.8mm Laminated glass

Exampleconstruction10

 

– – – – Predicted Rw 39

—— Measured Rw 40

Example 5 - Lined blockwork

I – Impact on masonry floor

150mm concrete slab

 

 

Exampleconstruction05a

– – – – Predicted Lnw 29

—— Measured Lnw 27

Example 11 - Impact Sound

J – Impact on timber floor

15mm thick OSB subfloor on 235mm timber joists at 406mm oc with resilient channels at 610mm oc with 16mm gypsum board(.

 

Exampleconstruction11a

 

– – – – Predicted IIC 34 (Lnw 76 dB)

—— Measured Rw 37 (Lnw 73 dB)

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