Benefits

  • Contessa natural slate comes in a blue-black colour, that may exhibit some visual inert pyrite.   (This pyrite will not affect the performance of the slate as a watertight roof covering)
  • This slate boasts a uniform, smooth face and neatly dressed edges
  • Contessa slate 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 Contessa comes in a 4/5mm and a 6/7mm thickness and is tested to the British UKCA requirements
  • Full UK guarantee of up to 30 years for the Contessa slate.  All our natural slate products come with a guarantee and declaration of performance.

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Sizes Available (mm):

400mm x 250mm

500mm x 250mm

600mm x 300mm

UKCE Mark

Technical Advice

When slating please allow for cutting, wastage & top or bottom/courses of 5% for any premium slates that originate from Spanish quarries.

A Declaration of Performance (DOP) and full testing results can be provided upon request.

Click here to download a brochure.