steico INTERNAL – Diffusion open insulation board made from natural woodfibre

Multifunctional vapour open natural woodfibre board. Suitable for a natural based lime or clay render finish.

APPLICATION: Timber & masonry  walls, partitions, ceilings.


• Environmentally friendly internal insulation made from natural softwood

• Ideal for renovation of masonry and traditional timber constructions

• Excellent control of condensation – advanced performance using intelligent  building physics

• Can be utilised without an additional vapour barrier

• Water vapour open for a healthy internal climate

• Ecological and recyclable with no impact on the environment

• Can be covered with a lining board or finished with natural lime or clay plaster


Declared thermal conductivity 0.038 [W/(m*K)]