Benefits
- The Duquesa 20 boasts a distinctive deep blue / black colour complemented by natural longitudinal grains running throughout. This slate naturally weathers into its environment
- In comparison to other slate products, the Duquesa 20 has a charming ripple texture and well-dressed edges
- The Duquesa 20 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 20 comes selected in both 5mm and 6mm thicknesses and tested to the British UKCA requirements
- Full UK guarantee of up to 75 years for the Duquesa 20 slate. All our natural slate products come with a guarantee and declaration of performance.