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Sierra Slate

  • Sierra natural slate is a flat, smooth slate in an attractive blue grey colour with a clean and uniform appearance
  • An exceptional quality slate and one of the very best options available from North West Spain
  • Minimal grading required
  • Available in both Ultra and Prime grade
  • Sierra slates achieve the highest possible classification under the European standard BS EN 12326-1:2014
  • W1, S1 and T1 certified
  • Covered by comprehensive quarry backed guarantees
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Price available on enquiry

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Our stunning Sierra Spanish slate on a self build in Hillsborough

Product Detail

Case Study Sierra

Abbey Alainn Primary Care Centre

This 20,000 square ft Primary Care Centre was delivered as part of the Irish Governments Primary Care Strategy, and was one of a number of subsequent PCCs to be constructed.   Exceptional quality and…

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Slate Colour and Finish Blue/Grey, Very Smooth
Available in Sizes 50x25, 50x30, 60x30
Available in Grades Premium or Heavy
Nominal Thickness 5mm & 7mm
Minimum Pitch 22.5 deg for standard 100mm h/lap (for pitches below 22.5 deg please consult LBS Technical Dept)
Maximum Headlap All LBS slates are holed for 100mm head-lap
Alternative Headlaps For availability and advice please contact LBS
Gauge 200mm for slate pre-holed for 100mm head-lap
Batten Size Please refer to BS 5534 or SR 82:2017
Nails Copper, Aluminium or Silicon Bronze
Slate Dimensions 500x250mm 500x300mm 600x300mm
Weight per sqm Laid (kg) 5|7mm 38|44.8 37.01|45.22 35.91|39.9
Slates per sqm at 100mm h/lap 20 16.6 13.3