Exposed floor 2: half visible joists


  • Wood plank flooring/ Exposed wood ceiling fastened via screws
  • Joists 220/60 mm; on-centre 62.5 cm
  • Cavity insulation 100 mm, e.g. GUTEX Thermoflex
  • Metal plasterboard battens fasten to wood battens
  • 12.5-mm plasterboard fastened via screws (distance from bottom of battens to overlying ceiling or floorboard is 100 mm; metal plasterboard battens 41.5 cm on centre)




  • New building
  • Refurbishment