
We build to last.
We build for the future.
With Isobloc ZÉRO, we take it a step further.
A locally manufactured insulated masonry block, durable,
high-performance… and carbon-negative.


Thanks to innovative technology developed by Carbicrete, we replace cement with steel industry by-products and inject
captured CO₂.
The result:
each block doesn’t pollute
it cleans the atmosphere.
Why choose Isobloc ZÉRO?



Carbon-negative
Every square meter built helps reduce greenhouse gas emissions. (GGE).

Same performance, cleaner process
Same strength, same speed of execution, same thermal protection — with no compromise.

Locally made
Designed, manufactured, and distributed here. No compromises on supply chain or quality.

No change in your methods
Your teams install it just like before. No on-site adjustments needed.
What does it change?
Fewer emissions
More points for
your LEED
or Zero Carbon certifications.
A real competitive
edge in tenders
why does concrete pollute so much
in its manufacture?
Cement manufacturing
- Cement, the main ingredient in concrete, is produced by heating limestone to over 1400 -c.
- This process emits CO2 at two points:
– When fossil fuels are burned
– During the chemical decarbonation reaction - Cement alone accounts for 7 to 8% of global CO2 emissions.

Material extraction

- Concrete is composed of cement, sand, gravel and water from quarries, rivers and other sources.
- Extraction involves:
– Transport emissions
– Use of heavy machinery
– Degradation of ecosystems
Shipping and installation
- Concrete is often prepared in a plant and delivered
by truck mixer - These logistics involve:
– High consumption of fossil fuels
– Maintaining concrete at the right temperature
– Tight deadlines for pouring

carbicrete manufacturing process
(cement-free concrete block with C02)
Aggregates + cement-free binder

- Standard aggregates are used (e.g. gravel, sand)
- Cement is replaced by steelmaking by-products such as steel slag
- his is an example of the circular economy, since the slag is industrial waste that is recycled to create a new, useful material.
- This mixture is activated by an alkaline binder (alkaline activation)
Moulding and pressing
- The mixture is compacted in molds,
just like conventional concrete - Industrial prefabrication processes
(block or panel plants)

Treatment in a CO chamber2
- The blocks are placed in a curing chamber filled with recycled
of pure recycled CO2 (captured elsewhere) - The CO2 is chemically absorbed into the material
and reacts to form solid carbonates - This process makes the blocks more resistant
while capturing carbon
Conventional concrete

- Cement is the main ingredient
- Heating the limestone to approx. 1400 °C,
- Net emissions of CO2
- High level of environmental impact
Carbicrete

- Cement-free: uses steel slag (industrial waste)
- No high-temperature heating
- CO2 absorption during treatment
- Reducing carbon footprint
This isn’t a promise.
It’s a reality we’re building today.
One block at a time.
to plan your next project with Isobloc ZÉRO.