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1古老的历史意大利阿尔卑斯山地区使用天然石材做屋顶瓦有着绝对古老的历史,它突出体现着阿尔卑斯山地区简易而实用的经济原则:即成本低、寿命长(有几个世纪)、开采容易、运输量小、抗冻、抗暴风雨,并能使建筑物与周围优美的自然环境融为一体,非常符合现代生态和美学原则。阿尔卑斯山地区最常用的是Beola片麻岩,属于变质岩,浅灰色,呈非常集中的树叶状,特别是花岗状
An ancient history The use of natural stone as a roof tile in the Italian Alps has an absolutely ancient history and highlights the simple and practical economic principles of the Alps: low cost, long life (centuries), easy exploitation, Small amount of traffic, frost-resistant, storm-resistant, and can make the building beautiful surroundings and integration of the natural environment, very much in line with modern ecological and aesthetic principles. Beola gneiss, the most commonly used in the Alps, is a metamorphic rock, light gray, with very concentrated foliage, especially of granite