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Water-based PVDF coating concept

Water-based ceiling coating improves tunnel visibility, safety and aesthetics in the Changwon Tunnel. In this case it was important for the tunnel operator to choose tunnel finish materials that had the right reflectivity, adaptability, cleanability, durability and safety effects for the road user.

Water-based PVDF coating concept

Cavidrain pre-formed cavity drainage system

Cavidrain® is a preformed geocomposite drainage system designed to relieve water penetration and reduce hydrostatic pressure within tunnel constructions. A satisfactory tunnel design anticipates drainage needs by managing the build up of hydrostatic pressure on the waterproofing layer and by transporting water away in the tunnel invert.

Cavidrain pre-formed cavity drainage system

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Global news about road tunnels and technology in an operational perspective.

Tunntech AS

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