681 blue black slate board
Emperor 681 slate on a Dutch church
Emperor 681 church Netherlands replace slate roof
Emperor 681 Chinese slate on a modern house in the Netherlands
681 Emperor Chinese slate on a new build UK housing estate

Emperor 681 blue-black roofing slate

Emperor 681 slate logo

A highly durable slate: retains its elegant deep colour for years and contrasts well with lighter colours. Except no imitations, China Slate is the original source of Emperor slate!

  • Available with a 75 year guarantee
  • Passes BS EN 12326 to A1, S1 & T1 standards
  • Countersunk holes
  • Traditional hand-deckled edges and natural riven texture
  • Pre-graded at the quarry to minimise on-site grading
  • A wide range of size and thickenesses stocked
  • Nationwide service for bulk orders, please send your enquiry to
Size (mm)Size (“)Thickness (mm)Weight (kg/1000 pcs)
600×30024×12 Duchess5-74100
500×30020×12 Broad Countess4-62200
500×25020×10 Countess4-61850
400×25016×10 Wide Lady4-62360
400×20016×8 Lady4-61600
Above: UK stocked sizes, a range of thicknesses available. Other sizes by request subject to minimum order of 18-22 pallets.
60×3050×2540×2530×30
35×2540×2032×2230×20
25×2027×1822×2230×15
20×2022×16
Above: European sizes by request subject to minimum order of 18-22 pallets. Sizes in centimetres (cm), a range of thicknesses available
Size (“)Size (mm)Size (“)Size (mm)
18×12450×30018×19250×225
18×10450×25010×10400×250
Above: North American sizes by request subject to minimum order of 18-22 pallets, a range of thicknesses available.