| Rectified concrete block - B40 · 20 cm - Verified EPD

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An innovative, high-performance, and accessible material, the locally sourced geosourced concrete block is made from non-calcined clay cement, giving it high mechanical and environmental performance.

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  • Implementation
  • Cells
  • Thickness
  • Height
  • Lenght
  • Made for :
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| Rectified concrete block - B40 · 20 cm - Verified EPD
| Rectified concrete block - B40 · 20 cm - Verified EPD
| Bloc creux
| Bloc creux

 Download the technical sheet from our documentation area (restricted access). 


An innovative, high-performance, and accessible material, the locally sourced geosourced concrete block is made from non-calcined clay cement, giving it high mechanical and environmental performance.

Sourced from local clay, it is suitable for all your projects, from small to large.


The lowest carbon block on the market!



The hollow block is the ecological and economical solution for your eco-construction.


Because a hollow block is inherently more resource-efficient, we at MATERRUP believe it is a solution to prioritize whenever possible, including for structural works. Because one square meter of block will always be less carbon-intensive than one square meter of wall, we have worked to provide you with a hollow block solution:

👉 as efficient: all the results of our hollow blocks strictly meet the same performance standards as conventional blocks.

👉 fully interchangeable: no need to think twice, our blocks are implemented exactly under the same conditions as conventional blocks.

👉 equally resistant, particularly to fire (REI=120 and EI=360): because user safety is a priority.

👉certified: our blocks carry a CE marking and comply with the EN 771-3 standard.

👉  immediately available: because your construction sites deserve the best without delay.


Regarding carbon footprint, because stating it is not enough, we have had the carbon footprint of our blocks verified by independent experts to provide you with a verified Environmental Product Declaration (EPD):

🍀 At equivalent performances, our structural B40 precision blocks with thin joints, installed with conventional mortar, provide an immediate and unprecedented carbon avoidance of 88% compared to a C25/30 wall and 37.5% compared to conventional blocks. 🎖 One square meter of MATERRUP structural B40 blocks corresponds to only 6.44 kg of CO2 equivalent. 

The EPD of our blocks takes into account the entire product life cycle, from raw material extraction to end-of-life, including transportation, implementation, and even the use of the product.





Get the environmental declaration



Our full range of blocks


Low Energy Intensity
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Cost-effective
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Durability
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Response to RE2020
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Recycled and recyclable
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Implementation Tiling (thin joints / rectified)
Thickness 20 cm
Height 20 cm
Lenght 50 cm
Made for : Building
Advantages Structural

Type of concrete MCC1 ® clay concrete
Attestation level CE marking
Fire reaction Reaction to fire = 360 min | Resistance to fire = 120min
Splitting strenght ≥ 4 MPa
Verified environmental déclaration 6,44 kg éq CO2 / m²

Construction of structures such as walls or retaining walls and masonry works (facade walls, partition walls, housing separation walls, foundation walls).

The blocks can be assembled or plastered with conventional mortar.

Ease of making cuts and attachments. Corner blocks and chain blocks available.