Benefits

  • Attractive permanent blend of blue / black colours characterised by its vertical lines running throughout with a slight natural sheen. Minimal mineral inclusions.
  • The Duquesa has neat textured edges accompanied by a smooth flat face.
  • The Duquesa 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 Duquesa comes selected in both 5mm, 6mm and 8mm thicknesses and tested to the British UKCA requirements.
  • Full UK guarantee of up to 30 years for the Duquesa Scotland slate.  All our natural slate products come with a guarantee and declaration of performance.

Sizes Available (mm):

400mm x 250mm

400mm x 200mm

UKCE Mark
Quality mark silver 50yr

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.