STAKKAbox (tm)














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Based in Liverpool UK, C4 Industries are an ISO9001, low cost manufacturer of complete manhole and access chamber solutions used in the construction of underground networks.

In our 60,000 ft2 (4500 m2) factory unit, we have the following facilities:

Compression Moulding on presses as large as 600 tonnes and on moulds as large as 8 tonnes, upon which we mould a large range of products produced from Glass Reinforced Polyester Resin (GRP).

Injection Moulding of large mould products down to small accessory items produced in Polypropylene with extrusion of Polyethylene sheet up to 1.8 metres wide. Our fabrication workshop is where we are able to combine materials from our three production processes to form complete products and where we are able to kit out and accessorise customer specific items.

The complete system includes our flagship product: The STAKKAbox™. This is the UK’s number one selling patented chamber system with our range of covers and accessories. A large selection of these are produced by C4, exclusively for the STAKKAbox™ system.

We support these products with an in-depth technical knowledge and a customer service that is second to none.

These qualities have enabled us to develop a customer base of Major Utility Companies, Local Authorities, Transport Agencies and their contractors throughout the UK, Europe and the USA.