Turning Quarry Waste & Recycled Materials into Strong, Sustainable Structures

What if the strongest, most sustainable roads and buildings on Earth could be built using the very stone, recycled materials, and existing asphalt already on site — stabilized in place, reclaimed, strengthened as a sub-base, and finished with new asphalt overlays — all while minimizing waste and maximizing performance?

  • American-Made

  • Patented Polymer Masonry Units

  • Large-Scale 3D Printing & Extrusion

  • Carbon-Neutral

  • Field-Proven in Infrastructure

Patented Polymer Masonry Technology

Polymer Masonry Units (PMU) – US Patent 12,103,894

Our proprietary polymer emulsion binds limestone quarry by-products — screenings, pond fines, baghouse dust, and other recyclable industrial waste — into a versatile material that can be poured or extruded and cures at room temperature.

Result: ASTM-compliant bricks and blocks using up to 80-90% recycled content. Superior strength, zero kiln energy, dramatically lower carbon footprint, and ready for extrusion or large-scale 3D printing.

Large-Scale 3D Printing & Extrusion

The same advanced polymer-limestone blend — rich in quarry waste and recyclable materials — powers high-volume extrusion and large-format additive manufacturing. This enables efficient creation of custom architectural elements, panels, walls, and structural components from domestic recycled resources.

Contracted R&D is advancing these capabilities for scalable, on-demand construction.

Proven in Real-World Infrastructure

Energy Sector Roadways & Heavy Infrastructure

Lithic’s polymer technology excels in sub-base stabilization and in-place reclamation of existing asphalt and gravel roads. It stabilizes haul roads, access roads, and surfaces for wind farms, solar installations, oil & gas projects, municipalities, and state DOT infrastructure nationwide. The treated base can support new asphalt overlays while increasing compressive strength up to 7×, controlling dust, and creating durable all-weather surfaces capable of supporting heavy equipment in demanding conditions.

Robust Independent Testing Data (TTI Validation)

T-PRO® has been rigorously validated by the Texas A&M Transportation Institute (TTI) for real-world road applications. Laboratory results demonstrate:

  • Up to 7× increase in compressive strength of soil and aggregates in both wet and dry conditions.

  • In wet conditions (after soaking), untreated soil samples lose nearly all strength and disintegrate, while T-PRO®-treated samples maintain an average of 471 psi and remain structurally intact.

  • Significant improvement in California Bearing Ratio (CBR), indicating significantly higher load-bearing capacity.

  • Excellent dust control and water resistance, with proven durability under heavy traffic and challenging climates.

These results confirm T-PRO® delivers reliable, long-term performance where traditional stabilizers often fail especially in wet or sulfate-rich soils.

Cost-Effective Solution

Soil and sub-base stabilization with T-PRO® typically ranges from $2–6 per square foot, depending on site conditions. By reclaiming and stabilizing existing aggregates, quarry waste, or recycled materials already present, project costs are significantly reduced.

Compared to conventional methods

  • Unstabilized gravel/dirt road maintenance can cost $3,000–$8,000+ per mile annually.

  • Traditional lime or cement stabilization often has higher costs and risks of cracking in wet conditions.
  • Asphalt overlays typically cost $2–$7+ per square foot with ongoing maintenance.
  • Full-depth reconstruction can exceed $1 million per mile.

T-PRO® advantage: Rapid in-place treatment using on-site materials, drastically cutting long-term maintenance and delivering superior performance at a fraction of traditional costs.

Saudi Arabia Project

Lithic Industries successfully used our polymer chemistry to stabilize roadways and construct a durable surface under extreme desert conditions in Saudi Arabia, including multi-layer stabilization for access roads at sensitive heritage sites. The same proven technology is now re-engineered into printable and extrudable masonry units using limestone quarry waste for permanent structures.

Expanding Possibilities with Recycled Materials

  • Waste to High-Value — Converting quarry waste and recyclable industrial by-products into high-performance, low-carbon masonry. A true circular solution.
  • Scalable Production — Room-temperature curing combined with extrusion and large-scale 3D printing for standard bricks, custom panels, and complex geometries — all from recycled feed-stocks.
  • Strategic Impact — Enhancing infrastructure resilience, reducing supply chain vulnerabilities, and delivering measurable carbon reductions.

Intelligent Stewardship™
Guided by thoughtful and responsible innovation. Our growing IP portfolio reflects a deliberate approach to transforming quarry waste and recycled materials into durable, high-performance solutions for a more sustainable built environment.

Company Background & Capabilities

Lithic Industries is a U.S. manufacturer in the dimensional limestone business with quarrying operations based in Texas. We identified significant waste streams and developed polymer solutions to transform this byproduct into high-value materials.

Key Capabilities:

  • Soil & Sub-Base Stabilization – Up to 7× compressive strength with TTI-validated performance.
  • In-Place Road Reclamation – Stabilized sub-base ready for asphalt overlays, at $2–6 per square foot.
  • Polymer Masonry Units – 80-90% quarry waste, room-temperature cure.
  • Extrusion & 3D Printing – Custom elements from recycled limestone.

This is more than a new building material. It is American innovation that transforms quarry waste and recycled industrial by-products into high-performance, carbon-neutral solutions for stronger roads, buildings, and resilient infrastructure — advancing domestic manufacturing, circular economy principles, and long-term sustainability.