Wood fibre insulation boards
Insulation boards made from ground wood fibres compressed at high temperature and pressure, or bonded with adhesive. Used in eco/bio timber-frame construction.
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Carbon properties
GWP A1–A3 (cradle-to-gate)
31 kgCO2eq/m3
From EN 15804+A2 EPD. Includes biogenic uptake where the EPD reports module D-1 with the biogenic carbon flag.
Biogenic carbon factor
-1.4 kgCO2/kg
Net biogenic carbon per kg of material. Negative = stored. Independent of process emissions.
CRCF Carbon Storage Product (≥35 yr)
Eligible
Sink bucket: carbon storage product
Physical and structural
Density
160 kg/m³
Structural
Non-structural
Compliance and market
NTA 8230 biobased calc
Compliant
Dutch standard for biobased-share calculation; recognised by partner curators across the EU as the canonical method.
MPG shadow price (NL)
€0.28/m²
Milieuprestatie Gebouwen — Dutch environmental shadow price contribution per m². The closer to zero (or negative), the better the project scores against the Bepalingsmethode.
Supplier capacity (annual)
480,000 tonnes/yr
Aggregate known production capacity across documented producers in this material category.
Sources
- Pavatex (2023). Wood fibre insulation boards — EN 15804+A2 EPDs for Pavaflex, Isolair and Diffutherm product ranges. Manufactured in Switzerland and France; declared biogenic carbon content + thermal conductivity.
- Sodobna-naravna-gradnja-2018.pdf· p. 37