Comparison of partition wall systems

* In testing
Partition wall	Glazing	Wall thickness	Sound insulation	Fire protection	Room-in-room
T10	None	100 mm 125 mm 150 mm*	40-51 dB	F30/EI30 EI30-NBB EI60-NBB
T34	Double-glazed Flush front	100 mm 125 mm 150 mm*	40-51 dB
T34 EI30	Triple-glazed Flush front	100 mm	40-46 dB	F30/EI30
T35	Double-glazed Flush front	100 mm	42-51 dB
T36	Triple-glazed Flush front	100 mm	43 dB	F30/EI30	F0
T42	Single-glazed Centred	100 mm	28-34 dB
T43	Single-glazed ISO Centred	100 mm	39 dB
T46	Single-glazed Centred	100 mm	37-40 dB	F30/EI30
T50	Single-glazed All-glass wall	27-33 mm	32-40 dB
T50 Loft	Single-glazed All-glass wall	27-33 mm	32-40 dB
T55	Double-glazed All-glass wall	100 mm	43-48 dB
T65	Double-glazed Structural glazing	100 mm	40-50 dB
GK Cube Single	Stand alone room system single-glazed	70 mm	* dB
GK Cube Twin	Stand alone room system double-glazed	70 mm	* dB