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.
- – Interior
- – 22mm Timber Floor Finish
- – Air-tight vapour control membrane
- – 120mm Natural Fibre Insulation, between 120mm timber joists
- – Wind-tight breather membrane
- – Well ventilated underfloor air space
- – Intérieur
- – Finition de plancher en bois de 22 mm
- – Membrane pare-vapeur étanche à l’air
- – Isolation en fibre naturelle de 120 mm, entre des solives en bois de 120 mm
- – Membrane respirante étanche au vent
- – Espace d’air sous le plancher bien ventilé
This specification above will achieve a U-value of 0.25 W/m2K
Pour cette spécification R = 4