Aerial view of Viridor Compost Recycling Facility
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Viridor Compost Recycling Facility

London, UK

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Compost processing and storage facility transformed at Viridor.

Rubb stepped in to create a compost enclosure for a leading recycling, renewable energy and waste management company after a replacement was required for an existing structure.

Viridor transforms waste into high quality recyclables, raw materials and energy. The company composts more than 300,000 tonnes of green and organic waste annually. It operates a number of In-Vessel Composting (IVC) facilities, which harness the natural composting process in enclosed tunnels. The process is much like a home compost bin, but on a larger scale.


Rubb completed demolition of the original structure, which had corroded due to the extreme internal temperature and environment within the IVC facilities. After the site was cleared, the Rubb construction team erected the new multi span tension membrane building upon an existing 3.5m high retaining wall.

The 30m wide building features six 5m wide IVC tunnels constructed using Rubb’s signature galvanized steel frame and durable grey PVC fabric membrane covers. The steel frame was prefabricated at Rubb UK’s plant in Gateshead and then hot dipped galvanized to prolong the life of the steel. The facility, which measures 25m long, features a leg height of 3m. The Rubb team designed the structure to include six existing doors, which provide access to the front of the sealed IVC tunnels and customised the rear closed gable end to accommodate an existing network of multiple pipes which control the internal environment.

Viridor was able to maintain the live site and continue ongoing business as Rubb worked on the building project, which was completed in time for the composting season. Rubb also provided a solution to prevent Seagulls from occupying the roof area by introducing a netting system above the building.

Sales Executive Andrew Maisalu said: “To work on a live site demonstrates the flexibility of the product and service we provide at Rubb. Viridor got in touch with us to solve a problem on-site and we were able to offer a full demolition service and custom designed solution to meet the needs of the project.”

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