While the roof structure was retained, the ballast roofing was replaced with standing seam, terne coated stainless steel.

虽然保留了屋盖结构，但是碎石铺砌的房顶替换成常规屋顶，利用了铅锡镀不锈钢材料。

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The roofing system in lightweight steel structure is composed of roof truss, structural OSB panel, waterproof layer and lightweight roofing tile, which is also named metal or asphalt tile.

轻钢结构住宅屋面系统是由屋架、结构OS B面板、防水层、轻型屋面瓦，又为金属或沥青瓦，组成的。

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