galvanized steel, and wood, aluminum will never rust, warp, or rot, so the structural integrity and original appearance remain intact longer than other common materialSteel is a popular material for crossover stair, alternating tread and mezzanine stairs in industrial locations, as well as for spiral staircases in homes and commercial buildings just as long as you purchase options that are high quality and as long as they are applied correctly. Rubber is also one of the safest choices for stairs as it is slip-resistant and provides plenty of tractionWith carbon steel or stainless stair stringers, these are designed to be structural as well as aesthetically pleasing. These are commonly used in open concept stair systems where the stringers are specifically designed to be exposed while upholding its inherent function.Number of Polygons:14000Number of Vertices:13332Low PolyTextures Format: PNGTexture Resolution: 2K