View into a tunnel coated with MC-Color T 21
New Product

New 1C tunnel coating MC-Color T 21

With MC-Color T 21, MC has launched the first 1k coating on the market, it offers low operating costs, high environmental compatibility and resilience as well maximum safety and cost-efficiency.

New 1C tunnel coating MC-Color T 21

11 Mar 2022

Newly developed by MC-Bauchemie, MC-Color T 21 has been launched as the first single-component (1C) coating on the market capable of fulfilling the surface protection requirements of ÖBV, ASTRA and ZTV-ING Part 5 Tunnel, as well as those specified for OS 2 and OS 4 systems. In no way inferior to two-component coatings based on reactive resins, MC-Color T 21 also offers improved light yield with an optimum gloss level, simplified and faster cleaning, a reduction in operating costs, greater resilience and very good environmental compatibility. It also meets all requirements in terms of fire behaviour.

Application of the 1c tunnel coating MC-Color T 21 by airless spraying.

Application of the 1c tunnel coating MC-Color T 21 by airless spraying.
©MC-Bauchemie 2026

The coated tunnel wall is water-repellent, dirt resistant and offers very dense, highly robust surfaces as well as excellent lighting conditions in the tunnel.

The coated tunnel wall is water-repellent, dirt resistant and offers very dense, highly robust surfaces as well as excellent lighting conditions in the tunnel.
©MC-Bauchemie 2026

MC-Color T 21 also meets all requirements in terms of fire behaviour. The tunnel coating thus ensures optimum safety in traffic tunnels.

MC-Color T 21 also meets all requirements in terms of fire behaviour. The tunnel coating thus ensures optimum safety in traffic tunnels.
©MC-Bauchemie 2026

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