How Roofing Slate is Produced

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• North American natural roofing slate is produced
  in Vermont, New York, Pennsylvania, Virginia,
  Newfoundland and Quebec
• Depending on the location of the quarry will
  determine the color of the slate
• The Glendyne quarry which produces the North
  Country Unfading Black roofing slate, is located
  in St. Marc Du Lac Long, Quebec.

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Seven steps to producing roofing slate are
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Tracing

• One of Glendynes unique production process
  starts with a specially trained expert who marks
  the stone
• During this tracing process, the marker is
  responsible for carefully examining the slate
  block and determining what size will be produced
• A line marks the stone for the saw operators

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Splitting
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Rounding
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Sorting

• A sorter will check for thickness and quality
• Firsts or number one slates are top quality and
  the thickness is consistent around each piece of
  slate
• Anything that doesnt meet this inspection is
  classified as Rustic or Medium Texture
• Medium texture slates are available on a
  first-come, first serve basis when in stock

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