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Freshly made rice block on the production table
Pieces & product· 1 min read

Eco Blocks – Part 2: sustainable construction with rice blocks

Discover rice husk and cement blocks, eco-friendly insulation, and sustainable materials for green building, passive houses, and carbon absorption solutions.

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Key takeaways
  • Rice blocks combine rice-husk with a cement-and-water binder, resulting in a lightweight, breathable and highly insulating material.
  • The process (mixing, moulding and cement curing) is simple and requires no firing.
  • Designed for insulation, eco-friendly renovation and passive construction.

What are rice blocks?

Rice blocks are an innovative and eco-friendly alternative to traditional building materials. They are made from rice husk and a cement-and-water-based binder, forming a lightweight, breathable building material with high insulating power.

How are rice blocks made?

The production process is simple, natural, and efficient:

  1. Rice husk: a by-product of rice cultivation, supplied in big bags or compact blocks.
  2. Mixing the ingredients: cement and water are mixed until a homogeneous texture is obtained.
  3. Molding and curing: the blocks dry naturally; during this process, the cement sets and hardens through hydration, as it reacts with the water in the mix.

Where can rice blocks be used?

These blocks are ideal for:

  • Insulation of walls, roofs and floors.
  • Eco-friendly rehabilitation of old buildings.
  • Sustainable housing and passive construction projects.

To be continued with other natural by-product blocks.

Photo gallery

Rice husk block on a wooden tray at the outlet of a Rometa block making machine

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