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 textured edges and a textured face – a characteristic of a Hebra slate
- 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 6mm and 8mm thicknesses and tested to the British UKCA requirements
- Full UK guarantee of up to 50 years for the Duquesa slate. All our natural slate products come with a guarantee and declaration of performance.