Tunnels and culverts are expensive to design and install, so it’s important to repair and maintain them to realise their maximum lifespan. Your tunnels and culverts may be suffering from infiltration, structural defects, or corrosion attack, or you may want to instal increased drainage capacity with cross passages.

The experts at McAllister Specialist Construction can help you rehabilitate your existing tunnel and culvert assets using a variety of methods including:

  • Spray concrete lining

  • Bespoke glass reinforced polyester (GRP) lining

  • Void grouting

  • Sealing and waterproofing

  • Traditional ribs and lagging