Construction Weight per Unit Area

(Kg/M2)

 Sound Reduction

(dB Rw)
75mm stud partition with 12.5mm plasterboard either side. 22 36
97mm stud partition with 12.5mm plasterboard either side. 22 38
75mm clinker block with plaster on one side. 120 39
100mm breeze block with plaster both sides. 185 43
112.5mm brick with 13mm plaster both sides. 270 45
100mm stud partition with two layers of 12.5mm plasterboard either side. 43 45
122 mm stud partition with two layers of 12.5mm plasterboard either side. 43 48
225mm brick with 13mm plaster both sides. 480 50
337.5mm brick with 13mm plaster both sides. 700 53
122mm stud partition with two layers of 12.5mm plasterboard either side and 25mm glass fibre mat. 43 53