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玻璃防火门

F5 · 2 门型

玻璃防火门让防火分区线保持完整,又不会把大堂或中庭变成一整排封板。可视性是它存在的全部理由:前台、商铺临街面、楼梯核心筒与公共流线保持明亮通透,同时洞口在火警时依然能闭合。整樘由钢或不锈钢门框、认证防火玻璃、膨胀密封条与匹配门扇重量的五金构成。玻璃是决定这樘门能不能用的部件,所以玻璃类型、认证与最大允许分格尺寸必须与门一起定,而不是事后从玻璃目录里挑。

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选型要点

  • 玻璃构造要与门框一起定:认证覆盖的分格尺寸决定了立面能画多大。
  • 大面积玻璃在建筑师定分格前,先索取证书覆盖的最大分格尺寸。
  • 需要考虑隐私与眩光:背后空间不宜被走廊看穿时,可指定磨砂或夹层做法。
  • 重量高于实心门扇,尽早确认合页、闭门器与地面固定的承载能力。

常见问题

Is all fire glass the same?
No. Glass types carry different rating classes and different maximum pane sizes, and they are not interchangeable between assemblies.
Can we have a frameless glass fire door?
Fire-rated frameless assemblies exist but are a different product family with their own certification. This range is framed in steel or stainless.
Do glazed doors need a different closer?
Yes, closer sizing follows leaf weight and width, so it is selected with the door rather than added from stock.
Can glass doors be used externally?
External use depends on the frame finish and the glass specification. It is confirmed per project rather than assumed.

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