The outer wall coating has already become one of the main ornament materials of the building wall.

外墙涂料已经成为建筑墙体的主要装饰材料之一。

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BMF series sandwich panel production line is main equipment that is used to produce sandwich panel-a new building materials which has the features as stable, light, solidity and beautiful appearance.

BMF系列彩钢夹芯板生产线是生产彩钢夹芯板的主要设备，彩钢夹芯板强度高，重量轻，坚固耐用，外观美观的一种新型建筑材料。

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Cement-based materials are main materials of modern building.

水泥基材料是构造现代建筑物的主要材料。

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Liddell thinks that 15 stories is possible before having to use other materials like steel but says that building codes are one of the main reasons we haven't seen more tall wooden buildings, "and more recently the economic downturn, " he adds.

CNN: Can wooden skyscrapers transform concrete jungles?