A new polymer coating has been designed to protect historic buildings from graffiti while still allowing their stones to 'breathe' (Photo: Fraunhofer IAP)
Graffiti is not only ugly, it costs society millions of dollars to remove it. But graffiti on historic landmarks is worse because it often can't be removed using basic caustic solutions without damage to the underlying surface. Now a new, breathable coating could help preserve some of our most beautiful and priceless links to the past by providing them with an efficient, all-round protection against attacks by taggers.
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