Duquesa 20
The Duquesa 20 is a ‘Hebra slate’ that boasts stability and reliability. Its distinctive riven texture and stunning blue / black appearance make it a popular choice that is highly sought after amongst Roofing contractors, self-builders and Architects.Â
The Duquesa 20 natural slate is quarried deep within the highly regarded mountains of the La Bana region, North West Spain. The quarry, founded in 1984, is renowned for a much stricter quality system and celebrated for the consistent production of excellent and durable slate.
The Duquesa 20 is available as a commercial or Ultra.
Sizes Available
500mm x 250mm
600mm x 300mm
Download a brochure
Advantages
Duquesa 20
- 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.
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.