Dirt hardly adheres to the smooth surface of stainless steel. Wire surfaces exposed to the elements get by without any additional cleaning. Dry, dusty depositions can be simply swept off. Oily and sooty residues can be removed easily with the aid of water and detergents.
"Graffiti-Unfriendly" Stainless Steel Meshes:
Sound protection made of metal fabrics is especially unattractive for graffiti sprayers because of the large open area and the mostly dark backdrop (black glass fiber non-woven).