Coloured MARO plugs for the Cornberger Tunnel - Part 1
After 145 years of busy train traffic, the Cronberg Tunnel is getting a well-deserved replacement. The new portals are to blend into the landscape alongside the existing heritage-protected structures. For this reason, through-coloured, reddish-brown exposed concrete is being used, which closely matches the colour of the red sandstone. Using a sample slab, we were able to reproduce the colour and provide the construction company, Josef Rädlinger GmbH, with a range...
