With the rapid increase of urban high-rise residential buildings, fire prevention in high-rise buildings has become an important topic. Because the height of fire rescue equipment is limited, it is often difficult to carry out rescue work, which affects the timely rescue and personnel rescue work. Therefore, improving the fire prevention ability of building external windows in advance can effectively prevent the rapid extension of fire, and can become an important measure to reduce fire losses and casualties.

Because of its own characteristics, high-rise buildings will extend very quickly in case of fire. In today's increasingly mature fire-fighting skills, people in the industry are also constantly looking for ways to reduce casualties caused by high-rise fires. Generally, as the opening part of the outer enclosure structure of buildings, the outer window is an important channel for the upward extension of the fire thermocline. Therefore, the fire protection function of building external windows is an important link that can not be ignored in improving building fire protection, and its fire protection function has become an important symbol of the fire rating of buildings. At this moment, the fireproof window device is particularly important. Fireproof window refers to a window composed of steel window frame, steel window sash and fireproof glass, which can block and hinder the extension of fire. According to GB16809-2008 fire windows, class a windows shall not be less than 1.5 hours, class B windows shall not be less than 1 hour, and class C windows shall not be less than 0.5 hours. In other words, the class a fireproof window can withstand the fire for 1.5 hours. During this period, the trapped people can calmly seek an escape path or escape to a safe area for rescue.

The installation of fire windows to improve the safety protection level is the first choice for improving the fire protection level of home and decoration in the future.

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