Benefits
- Contessa natural slate comes in a blue-black colour, that may exhibit some visual inert pyrite. (This pyrite will not affect the performance of the slate as a watertight roof covering)
- This slate boasts a uniform, smooth face and neatly dressed edges
- Contessa 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, the Contessa comes in a 4/5mm and a 6/7mm thickness and is tested to the British UKCA requirements
- Full UK guarantee of up to 30 years for the Contessa slate. All our natural slate products come with a guarantee and declaration of performance.