Mass kg/m2		Plasterboard Type
Approx. Cost per m2		Frequency (Hz)	Transmission Loss(dB)
		50
		63
		80
		100
		125
		160
		200
		250
		315
		400
		500
		630
		800
		1000
		1250
		1600
		2000
		2500
		3150
		4000
		5000