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A single Bloxcity recycled-plastic structural block on a paper-toned drafting surface, with faint blueprint lines beneath it. Low chroma earth tones, soft daylight.

Plastic, redeployed as civic infrastructure.

Bloxcity — In development

Bloxcity is our second materials venture. Small-footprint shred-and-press lines that turn neighbourhood plastic waste into a family of standardised building blocks — aimed at the projects municipalities actually commission: benches, planters, paving, cladding.

01 · Brief

Plastic waste isn’t the problem — throwing the material away is.

Africa generates an estimated 17 million tonnes of plastic waste a year. Less than 10% is recycled. The rest is landfilled, burned, or escapes into rivers and oceans.

The brief: a local-scale process that turns a household waste stream into a useful, durable building product — without big capex, big plants, or big shipping.

02 · The process

A workshop, not a refinery.

Each Bloxcity line fits inside a single shipping container. One operator can run shredder, extruder and press through a normal day’s shift. The whole line draws roughly the same power as a domestic geyser.

  • 1. Collect. Post-consumer waste from neighbourhood drop-offs, schools and informal pickers, sorted by polymer type.
  • 2. Shred. Material flaked to a uniform particle size. Each polymer is processed in its own batch — no co-mingling.
  • 3. Melt and press. Heat-and-compression into moulds. Output is dimensionally stable, dense, and free of binders or virgin plastic.
  • 4. Build. Blocks become benches, planters, paving, modular cladding and structural infill for civic projects.
Process flow diagram of the Bloxcity production line — input plastic waste, shredder and feed funnel, extruder and heated press (callout ①), output finished blocks. End-of-life products recirculate back to the feedstock.
03 · The range

Four formats. One material.

Every Bloxcity output starts as the same recycled feedstock and ends in one of four standard formats — each tuned to a real civic-procurement category.

End-of-life products come back through the same line. Reground, repressed, redeployed.

Block

Standard 200 × 200 × 100 mm block. Stack-bondable, drillable, finishable. The unit of the system.

Plank

Long-format extrusion for benches, decking and street furniture. Weather-stable, non-rotting, splinter-free.

Sheet

Pressed panel for cladding, signage and table tops. Sands and routs like dense hardwood.

Tile

Interlocking paver in three thicknesses. Slip-tested and graded for pedestrian and light-vehicle loads.

04 · Next

Pilot line in design — partner municipalities welcome

We’re scoping the first Bloxcity pilot for a Western Cape municipal partner in 2027. If you run a city programme, a waste co-operative, or a design studio with a project in mind — talk to us.

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