How Is Cardboard Recycled?

Commercial cardboard is widely recycled in the UK. Businesses should keep cardboard clean and dry so it can be collected or baled before collection for some high-volume producers.

If the cardboard comes from a dedicated cardboard collection, it may go straight to a paper merchant or mill. If it’s collected alongside other recyclables, it is often sent to a materials recovery facility where it’s sorted by grade, contaminants are removed, and it is baled for onward transport.

While some collected cardboard is processed domestically, the Confederation of Paper Industries (CPI) say more than half of paper collected for recycling in the UK is reprocessed overseas.

What happens to cardboard at the recycling mill?

  1. Pulping

    Cardboard is mixed with water and mechanically broken down so the cellulose fibres separate into a slurry.

  2. Screening and cleaning

    Equipment removes materials such as staples, tape, plastic, adhesives and other contaminants.

  3. Forming new material

    The clean pulp is diluted, spread onto a moving mesh, pressed and dried to form new paper or board.

  4. Remanufacturing

    The finished material can be made into products such as corrugated cardboard, packaging, paperboard or tubes.

What can affect whether cardboard is recycled?

Contamination is a key factor in cardboard recycling. Commercial cardboard should be dry and free from food, grease, liquids and other waste, which may reduce fibre quality. Plastic film, wax coatings, tape and mixed-material packaging can also affect whether a mill can process it.

Clean parts of select packaging may still be recyclable even if contaminated sections are not. Acceptance usually depends on the collector and mill specification.

Fibre quality is also a determining factor, as paper fibres shorten and weaken each time they’re recycled. CPI estimate that fibres can be recycled approximately seven times. Therefore, virgin fibre is still needed to maintain paper and cardboard production.

What are the new paper and cardboard recycling rules in England?

Simpler Recycling workplace rules have applied to most workplaces in England since March 31st, 2025. Businesses with under 10 full-time equivalent employees (FTE) have until March 31st, 2027. Organisations in scope must separate paper and card from their general waste.

Waste collectors must generally collect paper and card separately from plastic, metal and glass unless co-collection is justified as technically or economically impracticable. Not every business needs a standalone cardboard bin, but the setup will depend on the collection arrangement with the waste provider.

Wales and Scotland already have their own workplace recycling separation rules, while Northern Ireland follows its own waste legislation, so businesses operating across the UK should check the requirements for each nation.

How should businesses recycle cardboard?

  • Flatten boxes where practical
  • Keep cardboard dry
  • Remove food and obvious contamination
  • Separate it according to the collection setup
  • Use dedicated cardboard bins, cages or balers where suitable
  • Arrange collections through an authorised waste carrier
  • Keep the correct Duty of Care paperwork

We can help arrange cardboard recycling collections for organisations across the UK, with suitable bins, cages and balers available depending on the volume produced.

About the author

Senior Content Writer at Business Waste. Specialising in commercial waste, recycling legislation, and compliance-led content that helps UK businesses manage waste responsibly, reduce costs, and stay ahead of regulation.

Published 13th November 2026

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