... Slate Steps stair, Slate Ledge Stone,Slate Veneer Panel, Slate Wall Panel, Culture Stone, Wall Panel, Wall Cladding, Irregular Slate, Random Slate, Slate Mushroom ... Thickness: 15-25mm, 25-35mm, 35-50mm ·Wall Cladding Slate,Mushroom Stone ,Wall Stone: Normal sizes: 200*400mm, 150*300mm ... used in construction, such as roof, paving, outer wall and landscaping, slate is better than other artificial cover ...