8 sustainable materials from bio-based that can be used for ceiling.
Sound absorption and interior material using eelgrass naturally washed up on the shore.
A sound-absorbing material made from eelgrass. Binder and backing differ by product.
An insulating plaster of hydraulic lime, diatomaceous earth, pumice and perlite blended with cork and natural fibres. λ 0.045 W/mK at 360±20 kg/m³, vapour-open (μ=4, 71.64% porosity) for breathable insulation. Non-combustible A1 (EN 13501-1), CE and UKCA marked, holds an EPD, with LEED v4/4.1, WELL v2 and BREEAM contributions stated. Especially suited to retrofitting older buildings inside and out.
The plaster axis had only two records, neither aimed at insulation. This is plaster and insulation in one — r…
An interior/acoustic board with a straw core pressed between kraft liners.
A board of compressed straw core faced with kraft paper. The manufacturer states that no adhesive is used in…
Thermal insulation / sound absorption board made by bonding cork granules with heat and pressure.
An insulation material the manufacturer describes as expanded cork with no additives. The same material can b…
Semi-rigid thermal and sound-absorbing insulation made from grass fiber.
Insulation made from grass fiber. The binder and additive mix differs by product.
Flexible insulation batts from UK-grown hemp fibre. λ 0.039 W/mK at 45 kg/m³, specific heat 2371 J/kgK, minimum 40 dB sound reduction at 50 mm. BBA certified, verified EPD (2025-04-28), ISO 9001. Net carbon storage of −0.79 kgCO2eq/kg (A1-3 LCA), stated as "the lowest embodied carbon on the market". Made in Jedburgh, Scotland; friction-fit in timber frames or against masonry.
Adds hemp to the bio-insulation line (wood fibre, wool, cellulose, grass), with a verified EPD pinning net ca…
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…
A sound-absorbing panel combining certified wood wool and cement.
A sound-absorbing ceiling material of wood wool bonded with cement.