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’.
Products include Grout Sockets , Bolt Sockets , Non Return Valves , Guide rods , Alignment Dowels and Bolts.
Various sizes and quanitities.
Datasheets and Brochures