Tunnelling Accessories

Tunnelling Accessories was formed in 1972 producing Gel Grummets for sealing bolt holes in tunnel linings. It soon became apparent that there was a demand for a specialist manufacturer and supplier to provide all the ancillary products that are necessary to construct and build segmental tunnel linings, jacking pipes, manholes and box culverts. The company's purpose is to fill this need.

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Previously contractors often experienced difficulty and delay in obtaining these very necessary accessory items and had to purchase from a variety of sources.

Possessing considerable knowledge of the tunnelling industry it is realised how vital a fast efficient service from stock is to the Contractor and goods are dispatched by overnight carrier if required.

Apart from the products of its own manufacture Tunnelling Accessories stocks many proprietary materials such as grummets, bolts, grout plugs, bitumen sealing packers, caulking compounds, leak sealers, hydrophilic rubber and small tools; the range is continually being extended and now includes products for use in the general construction industry. Tunnelling Accessories are also agents for overseas companies supplying specialised equipment and materials.

Other products available include joint packers, secondary seals, entry/exit seals and interjack seals for pipejacking projects; Bullflex (a versatile shuttering system for TBM and shaft sinking projects, made of toughened geotextile); as well as self-rescue units and safety products made by Siebe Gorman of Wales.

In 1989 the Company moved to a new purpose designed factory equipped with modern machinery and extensive storage facilities, and in 1991 received the prestigious British Construction Industry Award as associated designers and suppliers to Fairclough Civil Engineering Limited on the London Water Ring Main project.

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