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Vapour-open sheathing & sarking boards for above rafter insulation

We are a supplier of natural wood-fibre insulation 

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View our range of natural wood-fibre insulation products & accessories

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See where you can use natural wood-fibre insulation products.

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Passive House 
Certified insulation for
Passive House construction

Toxic free insulation

Toxic free
Free from toxic &
harmful chemicals

Sustainable insulation

Sustainable
Sustainable and
C
arbon Neutral

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Excellent summer heat protection

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Excellent winter protection 

Weather tight and breathable

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Good sound protection

Excellent fire protection

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Easy to install with regular tools

We're so confident of our Natural Wood Fibre Insulation that we offer a 50 year  Product Warranty*

See our warranty general warranty conditions here

Wood fibre insulation Guide

Downloads

Installation guides, Product data sheets, Brochures....

External Roof insulation panels

Videos

See how and where the products are used.