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Your specification

See below for your natural fibre insulation specification.

For more detailed information and more accurate U-value calculations please take this specification to your chosen supplier. See for a list of NFI suppliers.

  • -Exterior
  • -Roof covering
  • -Battens
  • -Counter battens
  • -Breathable membrane
  • -100mm joists @ 400mm centres, fully filled with Natural fibre insulation
  • -160mm wood fibre boards
  • -Vapour control layer
  • -25mm battens,
  • -12mm plasterboard
  • -Interior

-Couverture de toit
-Membrane respirante
-Solives de 100 mm à 400 mm d’entraxe, entièrement remplies d’isolant en fibres naturelles
-Panneaux de fibres de bois de 160 mm
-Membrane pare-vapeur
-Lattes de 25 mm,
-Plaque de plâtre 12mm

  • The specification above will achieve a U-value of 0.149 W/m2K
  • Pour cette spécification R = 6.71 m2K/W