... Tiles, Slate Slabs, Roofing Slate, Cultural slate, Slate Steps stair, Slate Ledge Stone,Slate Veneer Panel, Slate Wall Panel ... Slate Slab: 1000x1000mm, 1000x2000mm, 1000x1500mm (Thickness: 20-30mm ) ·Slate Cultural Stone: 600x150mm, 180x350mm (Thickness: 15-25mm, 25-35mm, 20-30mm ... outer wall and landscaping, slate is better than other artificial cover material. It's moistureproof, wind resistance, low ...