* Sound Insulation testing in accordance with BS EN ISO 10140.
** Fire ratings in accordance with BS 476: Part 22: 1987.
*** Maximum heights calculated based on limiting deflection of L/240 at 200Pa and relates to fire resistance in accordance with BS 476: Part 22:1987. For fire ratings in accordance with EN 1364-1: 2015, please contact Knauf Technical Services.
**** Impact Duty rated in accordance with BS 5234: Part 2: 1992 Annexes B,C,D,E.
Knauf Shaftwall Partition for 60mins / 45dB Rw / 92mm wide
Knauf reference: Shaftwall 141
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
Sound: 49 dB(Rw)
Fire (EI): 120:120
Max height: 5000mm
Width: 139mm
Impact duty: Severe
J Channel, Deep Flange U Channel, C-T Studs, Plasterboard range, Screws
3 layers of 15mm Knauf Fire Panel attached to non-shaft side of 60mm Knauf C-T Studs at 600mm centres with 19mm Knauf Coreboard with 1 layer 25mm Knauf Earthwool Acoustic Roll within the 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.
