Made of earth and timber.

Sustainable Floor Slabs

Designed for disassembly and performance.

Rematter floor slabs are constructed form a frame of solid timber beams with rammed earth infills. All connections are dry joined or screwed, which allows for an easy disassembly and re-use of all components.

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3-layer panel

  • ensures stiffening of floor slab
  • contributes to optimal vibration characteristics
  • designed for the technical cycle


  • natural, without additives, fully circular
  • shields timber structure from fire
  • thermal mass
  • sound insulation
  • hydroscopic
  • designed for the biological cycle

solid timber beam

  • free of glue and environmentally friendly
  • designed for the biological cycle

suggested flooring

  • soft fiber board for impact sound insulation
  • oilpaper
  • granulate or sand fill
  • solid wood floorboards

Download Factsheet

Earth-Timber-Floor Slab

Tested, safe and healthy.

The unique material combination of rammed earth and timber results in a high performing floor slab system that combines the positive characteristics of both timber and concrete alternatives.


engineered to meet high payloads of up to 5kN/m2


certified fire resistance of REI60
REI90 possible


airborne sound: R’w >= 53dB
impact sound: Ln,w <= 53 dB
depending on flooring

%, kJ/m2K

humidity regulating
activatable thermal mass
antiseptic and odor neutralizing

meets all requirements for standard multi‑residential and office buildings

80% less embodied carbon than comparable concrete floor slabs

Contact us for customized payload,
fire resistance, sound insulation, or other specific requirements

Tailored solutions for your project.

Our system is flexible to adapt to the specific dimensional, aesthetic and functional requirements of your individual project. Contact our engineers and we will support you in creating the right design for you - free of charge.
Design Variant: Arch
Design Variant: Straight
Design Variant: Flush
Design Variant: Concealed

Explore your possibilities

Product Information
Get the factsheet


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