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Sustainable Construction · Carbon Negative

Reclaiming
Carbon,
Rebuilding
Earth.

Turning industrial waste into the building material of the future — stronger, cheaper, and carbon-negative.

We are on a mission to revolutionize the construction industry by turning one of the world's largest polluters into a climate solution. Traditional bricks contribute heavily to carbon emissions, but our carbon-sequestering bricks lock CO₂ inside every unit, reducing the carbon footprint of buildings and infrastructure. Our process not only helps tackle climate change but also repurposes industrial residues like carbon and metal waste — carbon ash, lime sludge and silica sludge — making our bricks both sustainable and circular in design. We have developed 100% cement free construction blocks.
0.5 kg
CO₂ offset per kg
50%
Cost savings
600 kg
Waste recycled/day
100 kg
CO₂ absorbed/yr
1.5×
Fire resistance
CARBON NEGATIVE BRICKS
100% CEMENT FREE
FLY ASH · STEEL SLAG
1.5× FIRE RESISTANT
50% COST SAVINGS
STARTUP INDIA CERTIFIED
LIME SLUDGE · SILICA SLUDGE
100KG CO₂ ABSORBED/ANNUM
CARBON NEGATIVE BRICKS
100% CEMENT FREE
FLY ASH · STEEL SLAG
1.5× FIRE RESISTANT
50% COST SAVINGS
STARTUP INDIA CERTIFIED
LIME SLUDGE · SILICA SLUDGE
100KG CO₂ ABSORBED/ANNUM
Why CO₂NCRETE

The CO₂NCRETE Advantage

Four pillars turning pollution into performance — carbon negative, cost efficient, circular, and high strength.

01
Environmental Sustainability
−0.5 kgCO₂ offset per kg produced
100%Fertile soil preserved
EqualCompressive strength vs clay
Carbon Negative
02
Economic Efficiency
↓ 40%Energy & electricity saved
50%Cost savings vs traditional
−10 daysSaved per project
Cost Efficient
03
Industrial Waste Recycling
600 kgIndustrial waste recycled daily
80%Cheaper raw material
Pan-IndiaEasy nationwide availability
Circular Economy
04
Usability & Performance
LowerWater absorption rate
1.5×More fire resistant
100 kgCO₂ absorbed per brick/year
High Performance
Explore Each Pillar
Completed Works

Building Carbon-Free Projects, Brick by Brick

View All Projects →
Our Range

Our Products

CO₂NCRETE blocks preferred by contractors for quality, innovation and exceptional compressive strength. CO₂-negative, 100% cement-free. Special productions and colour versions upon request.

ECO2 Hollow Block
ECO2 Hollow
↑ Real Photo
Dimensions (mm)
L
390 mm
H
190 mm
W
190 mm
ECO2 Hollow Block
Non-load bearing walls. Lightweight, carbon-negative installation.
HollowCement-FreeCarbon Negative
ECO2 Brick
ECO2 Brick
↑ Real Photo
Dimensions (mm)
L
229 mm
H
102 mm
W
76 mm
ECO2 Brick
Traditional format. CO₂ stamped, carbon-sequestering, high compressive strength.
CO₂ StampedCement-FreeHigh Strength
ECO2 Solid Block
ECO2 Solid
↑ Real Photo
Dimensions (mm)
L
390 mm
H
190 mm
W
190 mm
ECO2 Solid Block
Full-density for load-bearing applications. Maximum strength, minimum footprint.
SolidLoad BearingCarbon Negative

Have Questions? We've Got Answers.

What is CO₂NCRETE? +
CO₂NCRETE is a carbon-negative building material made from carbon, CO₂ and industrial by-products — carbon ash, lime sludge, and silica sludge — that absorbs CO₂ from the atmosphere. Solid blocks, 100% cement-free, permanently sequestering carbon.
How is CO₂NCRETE different from traditional bricks? +
Traditional bricks burn clay and release CO₂. CO₂NCRETE absorbs and locks CO₂ during curing.
ParameterTraditional BrickCO₂NCRETE
CO₂ ImpactEmits ~0.4 kg CO₂/kgSequesters 0.5 kg CO₂/kg
Cement40–60% cement0% — Cement Free
Fire ResistanceStandard1.5× more resistant
Water AbsorptionHigh (10–20%)Lower rate
CostBaselineUp to 50% cheaper
Raw MaterialFertile soil (clay)Industrial waste
Build TimeBaselineUp to 10 days faster
Who are your target customers? +
🏗️
Construction Companies & Builders
Firms seeking lower material costs, faster timelines, and green certification compliance (GRIHA, LEED).
📐
Architects & Designers
Professionals designing eco-friendly structures needing certified, carbon-negative materials with consistent quality.
🏛️
Government & Infrastructure
PMAY, Smart Cities, public infrastructure projects promoting green building mandates.
🏭
Power Plants & Heavy Industry
Waste generators — power plants, steel plants — who need compliant, cost-effective disposal solutions.
What impact have you created so far? +
500–600 kg of industrial waste recycled every day. 5+ completed projects across government, healthcare, and residential. Each brick offsets 0.5 kg CO₂/kg and absorbs up to 100 kg CO₂/year. See our Impact section for full details.
What are the physical properties of CO₂NCRETE bricks? +

CO₂NCRETE bricks are engineered for high performance across all key construction metrics:

5–13 MPa
Strength
800–1700 kg/m³
Density
< 10–12 %
Water Absorption
kg
2.5–4 kg
Weight
0.90–1.05 W/m²
Thermal Conductivity
CO₂
0.10 kg CO₂/kg
Embodied Carbon
> 50 years
Durability
I20/I20/I20
Fire Resistance
(Sri < 2134)
Dimensions (mm): 400×200×200 | 230×110×76 · Hollow, Solid Block & Bricks – Load & Non-load Bearing
What is current quality assurance that CO₂NCRETE provides? +

CO₂NCRETE maintains rigorous quality standards, validated by independent laboratories and accreditation bodies. Click below to download our certifications:

OUR PARTNERS & ASSOCIATES

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