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Diminishing Natural Stone Slate

Ethically sourced Natural Stone Roofing Slate

greys artstone logosGreys Artstone Natural Stone Slate (Indian Stone Roofing Slates) is renowned for its durability and strength. When laid in diminishing courses it has the appearance of traditional York stone slate. Weathering is offered to ensure that the stone blends in sympathetically with any surroundings. All our stone slates are ethically sourced.

  • Greys-ArtstoneNnatural-Stone
  • Greys Artstone Natural Stone
  • Greys Artstone Natural Stone
  • Greys-ArtstoneNnatural-Stone
  • Greys Artstone Natural Stone
  • Greys Artstone Natural Stone

Excellence in Design

We offer a full design service; this includes a batten schedule based on spar and ridge measurements and a pattern for the roof slates with diminishing sizes.

Designed to Diminish

Our natural stone slates are designed to give a random diminished course roofscape. A wide range of sizes ensure the roof can be laid using a random diminishing course technique providing greater weather protection and an authentic look.


  • Pre-drilled 8mm peg hole
  • Lifetime guarantee
  • Straight or quarry fettled slate tails
  • Weight 120-140 kg/m2
  • Approved for use in Conservation Areas, National Parks and on Grade 1 and 2 Listed Buildings
    Note: Individual approval must always be obtained


Aged York





Our range of Natural Stone Slate is available in the same sizes as our Reproduction Stone Slate.
Greys Artstone Stone Slate Size

Natural Stone Slate Technical Data

Extensive Stock

We have excellent stock availability which ensures prompt delivery at competitive prices. We stock core items and weather them on our site. All items are carefully packed in crates and delivered to meet exacting deadlines.

Fully Calibrated Product

Each slate is machine calibrated to 22mm thickness to ensure they lie flat on the roof. They can be used with or without a water table finish to the edges of the roof.

Reduced Wastage

We carefully calculate clients requirements and produce a fully comprehensive batten schedule to ensure that wastage is kept to a minimum.


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5 - 7 November 2021