Tunnelling Extras

A Fast and Efficient One Stop Shop

Most items supplied within 24 to 48 hours or the same day if required. Talk to us!

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Gel and Oyster Grummets

Grummets are designed to seal between the bolts and bolt holes in pre-cast concrete , steel and cast iron segments. They are resistant to the acids and alkalis found in ground water and are available in a range of different diameters and shapes.

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Technical Tunnelling Components

Our sister company Technical Tunnelling Components manufacture a complete range of plastic ‘Cast-In’ items for Tunnel and shaft segments , including the award winning and Patented ‘Dowelock’.

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TA26 Adhesive

Tunnelling Accessories supply their own adhesives for the application of packers and EPDM gaskets and Hydrophilic Rubber ‘AQUAQUELL’

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LEAD PRODUCTS

We supply lead strip in different section sizes for caulking Cast Iron segments as well as lead wool that is used for various different applications including as a seal between driven sheet piles

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TUN LUBE™

TUN LUBE™ by Tunnelling Accessories is made specifically to lubricate EPDM Tunnel Segment Gaskets allowing easier ring building.

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Secondary Seals

Secondary Seals for Steel Banded Jacking Pipes in various materials and section sizes depending on the pipe manufacturer and any specific sealing requirement.