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Calidad 10 Spanish roofing slate is ideal for residential properties, supermarkets and commercial properties, and is suitable for the English, Welsh and Scottish markets.
Calidad 10 slate has a smooth, slightly textured appearance and is free of visible pyrite, creating an aesthetically more pleasing finished roof covering. This roofing slate, which is blue grey in colour is very easy to grade and lay on the roof and is sourced directly from the slate quarry, which is located in the Galicia region of northern Spain.
JRC Specialist Slate Suppliers are the sole UK supplier of Calidad 10 which gives us increased availability and control, and it comes with a quarry backed guarantee.
This roofing slate complies with all relevant British and European standard BS EN 12326 and the test results show that this slate is A1, T1 and S1.
Specifications
Data Sheet
| Water absorption | W1 |
| Non carbonate carbon content | In accordance <1% |
| Mechanical resistance characteristics (MoR) | Transversal 44N/mm2 Longitudinal 58N/mm2 |
| Calcium carbonate content | Complies <1% |
| Dimensional tolerances | Complies |
| Thermal cycle | T1 |
| Exposure SO2 | S1 |
| External fire performance | Deemed to satisfy A1 |
| Reaction to fire | Deemed to satisfy A1 |
| Release of dangerous substances | None |
| Use as roofing or external cladding | Yes |
