Alpina slates from roofing specialist Cembrit, have been used on a prestigious housing development at Calne in Wiltshire. The grey/green Brazilian slate offers an attractive colour contrast with the exterior of the properties and delivers high quality performance at a competitive price, Cembrit says. <br> <br> The Alpina slates have been used throughout the site. Roofing contractor for the project was Kavanagh Roofing, based in Shaftesbury. The company used the hook fixing method to fix the slates – Cembrit’s recommended method of fixing Brazilian slate. Alpina is a Brazilian natural slate, selected from the finest deposits and produced at some of the best facilities in Papagaios,Brazil. It is available in two colours: grey green and graphite and in a variety of sizes.<br> <br>