40 ft fire rated door, 60 minute fire rated door, tebal 3 panel fire door

Pentinge lawang geni ora bisa diukur kanggo ngontrol panyebaran geni, ngisolasi geni, njamin safety personel lan nyuda kerugian properti. Lawang geni UL digunakake ing Amerika Utara lan malah negara lan wilayah liyane kanthi standar UL sing diakoni.

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40 ft fire rated door, 60 minute fire rated door, tebal 3 panel fire door-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door