BC Materials

BC Materials is a Belgian company that develops, produces, demonstrates, and sells earthen building materials. Founded as a workers co-operative and spin-off of BC Architects (Brussels Corporation) in 2018, BC Materials’ goal is to facilitate the replacement of contemporary, standard building materials with earth-based alternatives in European construction. The firm was the “brainchild” of Ken De Cooman, Nicolas Coechelberghs, Laurens Bekemans, and Wes Degreef. 

Roughly 60% of earth excavated in construction is wasted due to storage and transportation challenges. To combat this, BC Materials has pioneered a “circular” method of construction with earthen materials that uses urban mineral waste from construction sites and repurposes the excavated earth to make rammed earth structures, compressed earth blocks, and earth plasters/paints. The process of making these products using recycled earth is carbon-neutral, meaning BC Materials’ products are much better for the environment than the aforementioned contemporary alternative building materials.  

Rammed earth building, BC Materials was consulted during construction. Image by BC Materials

According to their website, BC Materials is involved in 5 primary activities: 

  1. Developing materials and consulting construction partners on their use.
  2. Making bespoke materials.
  3. Designing and prefabricating objects and constructive systems.  
  4. Training contractors and craftsmen.
  5. Producing and commercializing a brand of standard circular materials called Léém. 

Léém is BC Materials premier product line that attempts to make earthen materials more accessible to both architects and builders. Offering Léém clay plasters and paints, Léém earth block masonry, and Léém rammed earth mixes and tools, BC Materials are working to transform the availability and convenience of circular earthen building materials for use in every-day construction.  

 

 

Leem Clay Paints, picture by BC Materials

 

Sources: 

BC Materials. BC Materials, https://bcmaterials.org/.

Building with Earth – BC Materials and the Revival of Clay in Construction.” Natura Mater, 10 Dec. 2024, https://www.naturamater.eu/en/post/building-with-earth-bc-materials-and-the-revival-of-clay-in-construction.

“BC Materials.” Regenerative Design World, https://regenerativedesign.world/bc-materials-2/.