Cork Insulation
Expanded cork insulation boards; bio-based, naturally fire-resistant, and carbon-negative.
Carbon and evidence
Product Evidence
Generic material record — no manufacturer product attached.
Evidence Base
Category estimateNo product evidence is attached to this generic material, so nothing on this card is numerical. The guidance below is qualitative — an AI-assisted category profile — for early design discussion, not for figures.
Next step: request a current product EPD or manufacturer carbon declaration, or swap in a branded product that holds one.
What's missing (3)
- •No current product EPD is recorded.
- •No quantified carbon result is recorded.
- •No product-specific circularity or material-health claims are recorded.
Service Life — the B4 Replacement Input
30 years · basis not recorded
≈2 installations over a 60-year building study period.
Design & Specification Notes
Expanded cork insulation boards; bio-based, naturally fire-resistant, and carbon-negative.
Typical Uses
- •Thermal envelope
- •Roof/wall cavities
- •Airtightness layers
Key Performance
Good thermal resistance with reduced heat loss.
Specification Actions
- •Provide FSC or PEFC chain-of-custody proof (and origin details if reclaimed).
- •Verify binder/additive specification and low-toxicity treatment
- •Confirm moisture behaviour suits wall build-up
Indicative Health & Indoor Air
Natural material with excellent indoor air quality. Verify any binder or treatment is non-toxic.
Products in this category
5 products from 4 manufacturers. Ordered by the evidence each record holds, never by commercial standing.
Specification
- Finish
- Expanded cork boards
- Service life
- 30 years