Sound: 41 dB(Rw)
Fire (EI): 60:30
Max height: 4300mm
Width: 77mm
Impact duty: Severe
J Channel, Deep Flange U Channel, C-T Studs, Plasterboard range, Screws
1 layer of 15mm Knauf Fire Panel attached to non-shaft side of 60mm Knauf C-T Studs at 600mm centres, with 19mm Knauf Core Board secured between studs, and 25mm Knauf Earthwool Acoustic Roll within cavity
Sound: 45 dB(Rw)
Fire (EI): 90:60
Max height: 4900mm
Width: 87mm
Impact duty: Severe
J Channel, Deep Flange U Channel, C-T Studs, Plasterboard range, Screws
2 layers of 12.5mm Knauf Fire Panel attached to non-shaft side of 60mm Knauf C-T Studs at 600mm centres, with 19mm Knauf Core Board secured between studs, with 25mm Knauf Earthwool Acoustic Roll within cavity
Sound: 46 dB(Rw)
Fire (EI): 120:90
Max height: 5000mm
Width: 92mm
Impact duty: Severe
J Channel, Deep Flange U Channel, C-T Studs, Plasterboard range, Screws
2 layers of 15mm Knauf Fire Panel attached to non-shaft side of 60mm Knauf ‘C-T’ Studs at 600mm centres, with 19mm Knauf Core Board secured between studs, with 25mm Knauf Earthwool Acoustic Roll within cavity
Fire ratings quoted in accordance with BS 476: Part 22: 1987. For ratings in accordance with EN 1364-1: 1999, please contact Knauf Technical Services on 0800 030 4135.
Maximum heights calculated based on a limiting deflection of L/240 at 200Pa.
Impact Duty rated in accordance with BS 5234: Part 2: 1992 Annexes B,C,D,E.
We provide installation procedures, application details and performance data for our systems. Declarations of Performance (DoPs), Material Safety Data Sheets (MSDSs) and others can be found on our product pages. If you can't find the downloads you're looking for, please contact our Technical Services team and they will be happy to help.
