Geopolymer wall systems
Walls built from waste, not Portland cement.
CemNex replaces cement with geopolymer technology: interlocking, mortar-free blocks cast from slag, fly ash, glass fiber and other industrial by-products. Assemble, disassemble, relocate. A wall system designed to be reused, not demolished.
Interlocking geopolymer blocks, lab prototype
The problem
Portland cement is expensive on every axis that matters
Cement production accounts for roughly 7% of global CO₂ emissions and consumes enormous energy and virgin resources, while still degrading under extreme conditions: gas migration, stress cracking, moderate durability. CMU wall construction is slow, wet, and generates waste that can't be reused when a space changes.
Our solution
Geopolymer technology, delivered as a wall system
Geopolymers are made from natural or waste materials activated with alkaline solutions, with no clinker kiln and no cement. CemNex packages that chemistry into a product built on three levels.
Geopolymer blocks
Interlocking, puzzle-piece units cast from industrial by-products. Dry-stacked, no mortar required, cured to structural strength.
Complete dry-wall system
Blocks mount onto a track system for fast, standardized installation, cutting install time by up to 40%.
Recyclable by design
Walls disassemble and relocate instead of being demolished, recovering up to 20% of asset value at end of life.
Feedstock library
Twelve materials, one binder chemistry
The mix design draws on whatever local waste or natural pozzolan is available on site, keeping logistics costs low and supply chains short.
Natural materials
4Industrial by-products
8The product
One solution, infinite layouts
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All-in-one product
A single block replaces cement, mortar, and frame in conventional CMU construction, sourced from waste.
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Assembly / disassembly
Walls install without wet trades, and come apart cleanly for reuse when a layout changes or a tenant moves.
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Endless applications
Retail centersFacadesResidentialCommercial fit-outCMU replacement
Proof of concept
Validated mix design, measured in the field
Early proof-of-concept results across three performance dimensions, the basis for our MVP and pilot program.
Reduction in on-site workforce required for wall installation
Faster wall completion versus conventional CMU schedules
Less construction waste generated per wall installed
Market & business model
A $1B wall-systems market inside a $7.5B category
CemNex is positioned to enter Saudi Arabia's wall-systems market with a fast, lightweight, relocatable modular system, then scale into the broader construction-materials category.
Product sale
- Interlocking block units, 20×20×40 cm
- Made from low-carbon geopolymer materials
Installation service
- Assembly and relocation services
- Rapid install, space flexibility, wall reuse
Maintenance & take-back
- Recovery and redeployment of disassembled blocks
- Minimizes waste and lifecycle costs
5-year revenue model
Projected revenue across four streams, scaling toward roughly $8M by year 5.
Fundraising & investment
Where the capital goes
Allocation across the four stages from proof of concept through commercialization.
- Proof of concept20%
- Minimum viable product20%
- Pilot deployment40%
- Commercialization20%
POC / MVP roadmap
From validated mix design to commercial scale
Proof of concept
Validated mix design, a working interlocking mechanism, and confirmed life-cycle advantages.
Minimum viable product
Full-scale working prototype with standardized installation and performance testing.
Pilot deployment
Real-world performance data quantifying time, labor, and waste savings on an active site.
Commercialization & scale-up
Certified manufacturing, market readiness, strategic partnerships within the Vision 2030 construction ecosystem.
Our ask
Pilot deployment: let's prove it together
We're seeking a strategic partnership and pilot-deployment support to validate and scale the modular wall system across live developments.
- Strategic partnership and pilot-deployment support
- Financing of 200,000 SR over 2 years
- Commercialization assistance
What partners get
- Pilot deployment in a live construction prototype
- Data-driven validation of performance and cost savings
- Joint IP and commercialization pathway
- A concrete contribution to circular-construction commitments
Leadership
Built by researchers, led by builders
A founding team rooted in applied research at KFUPM, bridging the lab and the construction site.
Dr. Salaheldin ElKatatny
Chief Executive Officer
Professor, Petroleum Engineering Department, KFUPM
[email protected]
Dr. Ahmed Abd El Fattah
Chief Technology Officer
Associate Professor, Architecture Department, KFUPM
[email protected]
Dr. Abdulmalek Ahmed
Research & Development
Post-Doc Researcher, Petroleum Engineering Department, KFUPM
[email protected]Registered company
CemNex Commercial Registration
- Company type
- Limited liability company
- National number
- 7053763665
- Release date
- 25/02/2026
- Status
- Active
Get in touch
Let's build walls from waste
Developer, contractor, or waste-stream operator: partner with CemNex to pilot geopolymer walls on your next project.
[email protected]