Non-exposed wood joist ceiling - insulation over uninsulated substrate

Construction

  • Sub-floor board ≥ 13 mm
  • GUTEX Thermosafe-homogen
  • Vapour retarder/ Air barrier
  • Original boarding / Sub-floor board
  • Space between joists not insulated
  • Original wood wool board w. render

Top storey spaces whose ceilings are insulated with Thermosafe-homogen are not suitable for use as living areas.U-value requirements (as per EnEV 2014): ≤ 0.24 W/m²K

Application

  • New building
  • Refurbishment
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