How to Prepare and Hole Roof Slates – Video

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How to Prepare and Hole Roof Slates – Video

This video guide shows key areas of Sorting & Holing roofing slates.
Sorting & Holing slates is a traditional skill which requires years of practice and experience. Skilled slaters can grade and sort slates with ease. Working with slates is an art form and only through years of handling slate will experienced slaters develop a feel for the product. Experienced slaters judge how a slate feels in terms of it’s flex, strength, thickness and size. We hope this short video gives you an insight into this specialist skill.
Key Areas Covered

  • Grading & sorting overall thickness of slate
  • Distinguishing thick and thin end of slate
  • Holing slates – reverse side
  • Slate Holing Machine set-up
  • Preventing the slate from kicking out


Our Thanks To:
Stone Roofing Association
Heritage Crafts & Building Skills Centre


LBS are owners of the Penrhyn Bangor Blue quarry in Wales and are Ireland’s largest independent supplier of natural slate and clay roofing products. They have offices in Lisburn, Belfast, Dublin and Athy and have a friendly team of technical reps covering all 32 counties.
For more information on sorting & holing slates, get in touch with our technical team. Click HERE