Another important feature is the contribution to brightness in the tunnel, and not at least how such a product will handle high pressure wash and the harsh environment you find in road tunnels.
The Passivetec® protection panels are manufactured from layers of fibre reinforced magnesium and other refractory products. They can be installed as a stand alone finish or painted if required. The panels from Passivetec® do not contain hazardous substances. The panels can be installed with the necessary stability and durability under humid, wet or freezing conditions and are easy and quick to assemble.