Roof tiles: Alpina
Alpina is a natural Brazilian slate of the highest quality, selected from the finest deposits and produced at some of the best facilities in Papagaios, Brazil.
Alpina slate has virtually no unstable minerals; will withstand severe weather conditions; and is unaffected by sunlight, UV light and even acid rain. All Cembrit natural slates are annually tested to ensure they meet the requirements of BS EN 12326-1:2004. Test certificates and documents are available on request.
Cembrit Brazilian natural slates can be produced to the required size. The Brazilian slates exhibited the top Class A1 standard for water absorption, Class T1 for thermal cycle resistance, and Class S1 for sulphur dioxide exposure resistance. The slates also have good flexural strength.
Alpina natural slate is available in two colours, Grey/Green and Graphite, and in a variety of sizes.
Laid correctly, Alpina natural slate will last the lifetime of the building.
Alpina natural slates should be laid in accordance with BS 5534:2003 and BS 8000-6:1990, and ventilated in accordance with BS 5250:2002.