NextChar
CONSTRUCTION · MARKET 03

Carbon negative. Spec ready.

Engineered biochar for asphalt modification, concrete admixture, stormwater LID, and soil improvement.

LEED Eligible EPD / EN 15804 DOT Compliant EPA MS4 Carbon Negative
APPLICATIONS

Four construction pathways.

One material. Specification-matched for asphalt, concrete, stormwater, and civil soil applications.

Asphalt Modification

  • Rutting resistance improved
  • Bitumen requirement –3 to –5%
  • VOC emissions reduced
  • EPD / EN 15804 eligible

Concrete Admixture

  • Cement replacement up to 5%
  • Internal curing benefits
  • Chloride ingress resistance
  • LEED M&R credits

Stormwater LID

  • EPA Phase II MS4 compliant
  • Rain garden substrate
  • Permeable pavement fill
  • Zn, Cu, TSS removal in COA

Soil Improvement

  • CBR improvement in weak subgrades
  • Road base amendment
  • Landfill cap layer suitable
  • Carbon offset documentation
CERTIFICATIONS & DOCUMENTATION

Spec documentation for every pathway.

Every lot ships with a Certificate of Analysis.

LEED Eligible EPD / EN 15804 DOT Compliant EPA Phase II MS4 Carbon Offset Documentation Certificate of Analysis Per Lot
5% maximum cement replacement ratio — maintaining structural performance while reducing embodied carbon
GET STARTED

Request a construction specification.

We work with civil engineers, DOT contractors, green building project managers, and stormwater designers. Provide your application, specification requirements, and project region — we'll match you with the right material and documentation package.

Request a Specification