Product of Gramitherm®
Gramitherm® grass fibre insulation board
A natural grass fibre panel that combines insulation performance with a positive environmental impact
- Auto-construction
Sustainable and eco-friendly insulation made from grass fibres
Discover the bio-based insulation solution that delivers thermal and acoustic performance while preserving the environment, ideal for all your projects
High-Performance Thermal Insulation
Enhance the comfort of your space with Gramitherm®, the bio-based insulation that provides effective protection from cold and summer heat, regulates moisture, and reduces noise. Designed to promote well-being and serenity, it’s environmentally responsible and perfectly suited for all your construction or renovation needs
The benefits of Gramitherm®
Discover the many strengths of our natural insulation, designed for your comfort and the planet’s preservation.
Excellent thermal insulation
Keeps out the cold and blocks summer heat for year-round comfort
Moisture regulation
Maintains healthy indoor air through efficient hygrothermal balance
Acoustic comfort
Reduces noise for a quieter, more peaceful living environment
A+ indoor Air Quality
Very low VOC emissions contribute to a healthier indoor environment
Bio-based and local
Made from underused grasses, harvested and processed locally into fibre panels
Safe and sustainable
A healthy, long-lasting insulation solution with a minimal ecological footprint
Fully recyclable
Designed to be recycled at end-of-life, helping to reduce waste
Long lifespan
Lasts over 50 years, delivering long-term insulation performance
Easy to install
Lightweight, semi-rigid, and easy to cut, ideal for all types of construction sites
Versatile applications
Suitable for partitions, walls, floors, ceilings, attics, and roofs
Long-term investment
A quality solution that supports your building throughout its lifecycle
Added property value
An ecological asset that increases your property’s value and appeal
Applications of our natural insulation
Versatile and efficient, Gramitherm® adapts to a wide range of insulation solutions to meet every need.
The environmental impact of grass fibre insulation
By choosing Gramitherm® since 2020, our customers have helped save 3.140,79 tonnes of CO₂-eq, the equivalent of 523 car trips around the world
3140.79 tonnes of CO2-EQ
523 round-the-world car trips
Our services for your insulation projects
Planning to installation, Gramitherm® supports you at every stage with personalised services.
Logistics support
Streamlined delivery to ensure product availability tailored to your needs.
Locate a distributor or installer near you
Easily find Gramitherm® distributors and certified professionals for a successful insulation installation.
Gramitherm®
and our partner solutions
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.
Discover the products
Our natural insulation projects
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Project
Cluster Eco-construction
Insulation of Walls, Partitions and Floors
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Project
Headquarters of the National Forestry Office
FacadeIinsulation - Architectural firm: WOA & Vincent Lavergne
Project
Construction of 47 collective dwellings in Saint Denis
Insulation of perimeter walls - Project owner: Bâtiplaine / I3F / CAPS - Project manager: Atelier Desmichelle
Project
Refurbishment of 260 homes in Hem
Insulation of perimeter walls - Project owner: Vilogia / Septalia / Alterera - Project manager: Atelier MA / Bouygues / Nortec / Symoé
Discover our references
Our latest news
- 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.
- Salon
Gramitherm will be present at Building Green Copenhagen 2025!
Visit Gramitherm at Building Green Copenhagen 2025 and discover grass fiber insulation — a sustainable, local, and low-impact solution for green buildings
- Company
Gramitherm unveils its new website dedicated to bio-based insulation
Discover the new Gramitherm website, dedicated to bio-based grass fibre insulation: sustainable solutions, technical advice and services
Discover our news
