Benefits
- Penrhyn Welsh slate comes in an attractive and distinctive blue / purple heather tones with natural green markings
- Thin, flat and uniform with a fine grained riven surface
- 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 the Penrhyn slate. All our natural slate products come with a guarantee and declaration of performance.