Benefits
- Penrhyn Welsh slate comes in an attractive and distinctive heather blue / purple colour that does not fade in sunlight
- Heavily textured and riven with heavily dressed edges
- Penrhyn 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, Penrhyn slate is tested to the British UKCA requirements
- Full UK guarantee of up to 75 years for all natural slate products plus a declaration of performance.