ISS-12
ISS-12 slates have a slightly riven texture but are known for being consistent and flat making them an ideal choice for roofers and contractors.
This popular slate ensures exceptional value whilst providing a quality finish to any roof.
ISS-12 natural slate is quarried in the Ourense region in North West Spain. The ISS-12 quarry has been extracting high quality slate since 1972.
Sizes Available
500mm x 250mm
500mm x 300mm
600mm x 300mm
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Advantages
ISS-12
- The ISS-12 comes in a beautiful, traditional mid-grey with virtually no visible pyrites
- Clean, uniform surface with a slightly riven texture and neatly dressed edges
- The ISS-12 proudly conforms and surpasses all the top UK tests for water absorption, thermal cycle resistance and sulphur dioxide (acid rain) exposure with an excellent W1-S1-T1 rating
- Having been put through the most stringent selection process, the ISS-12 comes in 5mm thickness and is tested to the British UKCA requirements
- Full UK guarantee of up to 30 years for the ISS-12 slate. All our natural slate products come with a guarantee and declaration of performance.
Technical Advice
When using Spanish slate, the allowance for cutting/wastage varies according to the selection being used. Click here for more information and guidance.
A Declaration of Performance (DOP) and full testing results can be provided upon request.
Click here to download a brochure.