(PhysOrg.com) -- Many a historic landmark is defaced with graffiti, but the spray paint can only be removed - if at all - using caustic solutions which risk damaging the underlying surface. A new breathable coating provides efficient, all-round protection against attacks by taggers.
Graffiti-free historic buildings: New polymer coating to help
- PhysOrg
- 1. 9 2009 (22:25)