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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 asbp.org.uk/group/natural-fibre-insulation for a list of NFI suppliers.

  • -Exterior
  • -10mm 2 coat lime render
  • -40mm renderable wood fibre board
  • -125mm timber frame, filled with flexible wood fibre insulation
  • -15mm OSB, joints taped with airtightness tape
  • -25mm counter-battened service void,
  • -12.5mm plasterboard
  • -Interior
  • -Extérieur
  • -Enduit à la chaux 2 couches 10mm
  • -Panneau de fibres de bois plâtrable de 40 mm
  • -Ossature bois de 125 mm, garnie d’isolant souple en fibre de bois
  • -OSB 15 mm, joints scellés avec du ruban d’étanchéité
  • -Vide de service contre-latté de 25 mm,
  • -plaque de plâtre 12,5 mm
  • -Intérieur
  • The specification above will achieve a U-value of 0.24 W/m2K
  • Pour cette spécification R = 4.17 m2K/W
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