Bio-based / Roll/Mat

STEICOflex 036

German flexible insulation batt made from PEFC-certified softwood fibre. λD 0.036 W/(m·K), density approx. 50 kg/m³, about 82 kg CO2eq/m³ of biogenic carbon stored (EN 15804+A2).

Publishes one of the lowest thermal conductivities among bio-based insulants as a datasheet figure, together with a 2,100 J/(kg·K) specific heat for summer hea…

Good for

• Between-stud insulation for timber walls, roofs and floors
• Vapour-open build-ups in renovation

Consider

• Fire class E — not for locations requiring limited-combustibility or non-combustible insulation.
• EPD and natureplus are noted on the maker's overview page only; the documents themselves were not opened.
• Availability in Korea is unconfirmed.

Manufacturer

STEICO

Availability

Korea route unconfirmed

Checked

2026-08-27