Vertical Shaftwall System RNS 311

1 x 15mm GTEC Fire Board, GTEC CHS19146/B CH-Studs at 600mm centres, 25mm 16kg/m³ glass mineral wool, 1 x 19mm GTEC Fire Core Board

Further Information


Siniat GTEC Shaftwall systems can provide fire resistance upto 120mins to BS 476-22 (dependent on system), see Siniat Drywall Manual or contact Siniat Technical Services for more details


  • No scaffolding required with system designed to be erected from one side of shaft only
  • High strength system resists pressure changes likely in shafts and voids

Commercial Name: Vertical Shaftwall System RNS 311
Thickness: 161 mm
Weight per m²: 32 kg/m²
Insulation Type: Glass wool, Mineral wool
Insulation Thickness: 25 mm
Maximum Height: 6400 mm
rw (Sound Insulation): 46 dB
Strength Duty rating (to BS5234): Heavy
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