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The 1:1 TES demonstrator © Chair of Digital Fabrication | Technical University of Munich

19. February 2026

Research Project Timber Earth Slab (TES) with the Technical University of Munich (TUM)

At the Technical University of Munich, the research project Timber Earth Slab (TES) investigated how mineral-bound earth material (with a binder from Oxara) and timber can be combined into a high-performance, resource-efficient floor system. This innovative construction system integrates the structural advantages of timber with the building-physics properties of mineral-bound earth material. Through the targeted interaction of these two materials, a unified and resource-efficient floor system for multi-storey timber construction is created.

We develop building systems from earth and timber to combine the strengths of both materials in the best possible way. ©Lehmit

8. September 2025

Brochure Building Systems in Earth and Timber

With the new Lehmit Compendium, we provide a compact resource that brings together our knowledge and experience in building with earth and timber – ready to print or share. The brochure highlights the advantages of this hybrid approach, ranging from acoustic performance and indoor climate to fire safety and circular construction with minimal embodied energy. It presents innovative ceiling, interior wall and exterior wall systems, as well as the entire project process from planning through to realization. The handbook is aimed at architects, clients and companies seeking sustainable, resource-efficient and technically advanced solutions in earth-and-timber construction for their projects.

19. July 2025

Innovation with Depth: The multilayered rammed earth wall of the Walkeweg Auditorium, Basel

Specialised planning for Aequipe by Lehm Ton Erde and Lehmit With the new construction of the Walkeweg School auditorium in Basel, an innovative wall concept will soon be realized, based on the combination of timber and rammed earth: industrially prefabricated, structurally sophisticated, and architecturally expressive. The wall system, developed by Lehm Ton Erde, Lehmit, and Aequipe, stands as an exemplar of a new generation of resource-efficient, reversible, and aesthetically refined building envelopes made of earth and timber.