We supply the best roofing slate material from china, which is suitable for the most demanding applications. The roofing slate is no-fading, will not discolour, and is free from damaging pyrites and sulphates. Our slates have passed the british bs680 and has a 50-100 year guarantee. Color: grey, black, blue-black Size(mm): 600*300, 500*250; 500*375; 400*250; 400*200; 400*300; 350*200 Thickness: 7-9, 4-6, 5-7(mm). 1500m2 per 20ft container
