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M4 underground line

M4 underground line
By Editorial Staff -
Mapei has participated in the project

The M4 line in Budapest is the final line in the second oldest underground network in continental Europe. Mapei’s Technical Assistance Service was involved both in the structural work and in the laying of tiles, mosaics and resin cladding in various stations. The structural work on the underground sections included sealing gaps, fixing worn sections, smoothing walls and waterproofing surfaces. Resin cladding was used in tunnels, corridors, and public and staff-only areas (20.000 sq m in total) and in some of the stations a self-levelling compound was used to create continuous concrete flooring (ca. 4.000 sq m). The corridors, utilities rooms and storage areas in the 10 stations were clad in stoneware tiles and, in some stations, large colourful vitreous mosaics were creating using designs by artists and architects, each with its own pattern and dimensions.

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