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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!

Benefit from our expertise at every stage of your project for optimal thermal and acoustic insulation!
Achieving effective insulation goes beyond choosing the right materials. At Gramitherm®, we offer a complete range of services to support you throughout your project. From technical studies to logistics, training, and on-site startup, our team of experts delivers tailored, efficient, and sustainable solutions.
Planning to installation, Gramitherm® supports you at every stage with personalised services.
Streamlined delivery to ensure product availability tailored to your needs.
Browse our technical documents, application guides, and best practices for cutting and installing Gramitherm® insulation. Everything you need for a successful, standards-compliant project.


Our grass fibre insulation now achieves λ 0.040 W/mK, validated by an accredited lab. A concrete step forward for your construction projects!

Gramitherm supports the ecological renovation of Valérie Dewilde, for a healthy, high-performance and environmentally friendly home.

Take part in the Gramitherm training course on 2 December 2025: installation, cutting, Ampack membranes and installer certification. Limited places available in Auvelais.

A new milestone to make grass-based biobased insulation even more accessible — for homeowners, builders, and architects alike.

Visit Gramitherm at Building Green Copenhagen 2025 and discover grass fiber insulation — a sustainable, local, and low-impact solution for green buildings

Discover the new Gramitherm website, dedicated to bio-based grass fibre insulation: sustainable solutions, technical advice and services
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