Roofing Slate Black Sheets 1.Passed ASTM&BS680 2.Size 400*200,400* ... 10,9-11,11-13MM Nature Stone Roofing Slate of Black Sheets 1.Natural finish.a little bit rough surfacenice colornon- ... installation, Indoor and Outdoor decoration, Garden, Villa decoration.4.Color: black, or call dark grey5. MOQ: 100M26. Packing: standard export ... / Mobile +86 139 2955 1931 Nature Stone Roofing Slate Black Sheets