Wooden stair o As they are light in weight, mostly used for residential building. o The main objection to this stair is that it is easily attacked by fire and thus, in fire, the occupants of upper floor can’t escape. o If it is made from good timber like Teak, and thickness is about 45mm, it becomes sufficiently fire proof and allows enough time for occupants on upper floor to escape. - Study24x7
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soyab khan
24 Apr 2019 11:01 AM study24x7 study24x7

Wooden stair o As they are light in weight, mostly used for residential building. o The main objection to this stair is that it is easily attacked by fire and thus, in fire, the occupants of upper floor can’t escape. o If it is made from good timber like Teak, and thickness is ...

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