... 21mm, 28-31mm etc300x300mm , 300x600mm400x400mm , 600x600mm600x900mm , 900x900mmB: Slate roofing tilesThickness: 5-7mm etc500x250mm , 400x200mm , 400x25mm300x300mm , 300x200mm , 300x15mmC ... plastic stripsLoading: 10-12mm: 830m2/27tons/CTN to EU ; 550m2/18tons/CTN to USAB: Slate Roofing ... tiles(5-7mm):Outer packing:fumigated wooden crates wrapped with plastic stripsLoading: 5-7mm ...