Standard-issue recycled water in a sealed recyclable pouch. Processed through seven-stage filtration from the city's water…

Standard-issue recycled water in a sealed recyclable pouch. Processed through seven-stage filtration from the city's water…

Cement made from coal fly ash or volcanic ash mixed with lime — a recipe the Romans used two thousand years ago. The resulting concrete is cheaper than Portl…

Glass or plastic bottles filled with sand or earth and mortared together to form walls. The technique dates to the 20th century and persists in Tier 1 commun…

Solder recovered from electronic waste by melting and straining circuit boards. The resulting alloy is an unpredictable mix of tin, lead, silver, and copper …

Stripped copper wire collected from demolished buildings, junked vehicles, and stolen infrastructure, bundled and sold by weight. Functions as both a raw mat…

Tempered glass panels stripped from decommissioned solar arrays. The glass is low-iron, highly transparent, and incredibly durable — designed to survive deca…

…roof, insect-proof, and surprisingly strong in compression. Recycled polymer bricks are the primary building material in Tier 1 settlements, available from automated re…

Thick steel plates cut from decommissioned ships, demolished buildings, and scrapped vehicles. The steel may be decades old with unknown alloy composition, b…

The glassy byproduct of metal smelting, crushed and used as aggregate in concrete and road construction. Slag aggregate is cheaper than natural stone and oft…

Vulcanized rubber cut from old vehicle tires and flattened into sheets. Used as flooring, roofing, impact padding, and improvised armor backing. Tire rubber …