Cwt-Y-Bugail
Cwt-y-Bugail Welsh Slate, with its unique colour variations, combined with a performance measured in centuries is why it adorns building roofs across the world!
The remote Cwt-y-Bugail quarry has been producing slates since 1840’s and is located high in the mountains east of Blaenau, Ffestiniog in North Wales. The quarry is now an open cast quarry although originally the quarry was mined.
During World War 2, many of Britain’s most valuable paintings were secretly stored in its caverns for safe-keeping!
Sizes Available
300mm x 200mm
400mm x 250mm
500mm x 250mm
Advantages
Cwt-Y-Bugail
- The Cwt-Y-Bugail boasts an attractive dark blue grey colour and is also recognised by its distinctive banding known as relic bedding.
- This durable slate boasts a unique riven smooth texture with heavily dressed edges
- This 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, Cwt-Y-Bugail slate is tested to the British UKCA requirements.
- Full UK guarantee of up to 75 years for the Cwt-Y-Bugail slate. All our natural slate products come with a guarantee and declaration of performance.
Technical Advice
This slate is available in 3 different grades Capital (thickness 5.5mm), County (thickness 7mm) and Celtic (thickness 9mm). Your ISS representative will advise slate sizes and thickness best suited to your project.
A Declaration of Performance (DOP) and full testing results can be provided upon request.