Secondary Lining of the Skärholmen Tunnel in Stockholm

The Swedish daughter company SBT Sverige carries on the work on the secondary lining of the Skärholmen highway tunnel in Stockholm. The main water impermeable layer is the reinforced membrane from toughened polyethylen that is installed to anchors and welded, with a total area of 270 thousands square meters. In the traffic space, the membrane will be covered by sprayed concrete.