Product of Gramitherm®
Gramitherm® grass fibre insulation board
A natural grass fibre panel that combines insulation performance with a positive environmental impact
- Auto-construction
Our Gramitherm® insulation solution and partner products for sustainable building
Choose innovative products that combine thermal performance, eco-responsibility, and long-term durability for all your construction or renovation projects.
Made from grass fibres—a bio-based and renewable material—Gramitherm® offers a high-performance insulation solution that is environmentally friendly. Designed to provide optimal thermal and acoustic comfort, it's the ideal choice for today's and tomorrow's sustainable buildings.
Our bio-based insulation solution
and partner products
We work with trusted partners to offer complete thermal insulation solutions that meet the highest standards of performance and sustainability.
Product of Gramitherm®
The Gramitherm® saw
A precision tool designed for clean, easy cutting during installation.
Partner product
Ampack Membranes & Gramitherm®: The Perfect Match for Sustainable Insulation
Airtight and waterproof membrane solutions, in collaboration with a technical membrane leader.
Product of Gramitherm®
Gramitherm® Sample
Discover this natural grass fibre insulation in small format with all its specifications.
Where can you use our insulation?
Gramitherm® is ideal for a wide range of applications, meeting high expectations for both performance and durability.
Locate a distributor or installer near you
Easily find Gramitherm® distributors and certified professionals for a successful insulation installation.
Our latest news
- Product
Thermal phase shift: why grass fibre keeps your home cool this summer
2232 J/kg.K heat capacity, 9h phase shift: discover why Gramitherm® grass fibre insulation protects your home against summer heatwaves.
- News / Wellbeing & Home
Europe's heatwaves: is your insulation the problem or the solution?
Heatwaves are becoming more frequent across Europe. Discover how a bio-based insulation with high thermal phase shift keeps your home cool without air conditioning.
- Product
Gramitherm : our grass fibre insulation reaches λ 0.040 W/mK
Our grass fibre insulation now achieves λ 0.040 W/mK, validated by an accredited lab. A concrete step forward for your construction projects!
- Collaboration
Gramitherm joins Valérie Dewilde’s ecological renovation project
Gramitherm supports the ecological renovation of Valérie Dewilde, for a healthy, high-performance and environmentally friendly home.
- Training
Gramitherm training course on 2 December 2025
Take part in the Gramitherm training course on 2 December 2025: installation, cutting, Ampack membranes and installer certification. Limited places available in Auvelais.
- Company
The new Gramitherm e-shop for individuals and professionals
A new milestone to make grass-based biobased insulation even more accessible — for homeowners, builders, and architects alike.
Discover our news
