鋼(gang)防(fang)(fang)(fang)火門(men)(men)新標準規定鋼(gang)木(mu)質防(fang)(fang)(fang)火門(men)(men)為(wei)用鋼(gang)質和難燃(ran)木(mu)質材料(liao)(liao)或難燃(ran)木(mu)材制品制作門(men)(men)框、門(men)(men)扇(shan)骨架(jia)、門(men)(men)扇(shan)面板(ban)、門(men)(men)扇(shan)內填(tian)充材料(liao)(liao)為(wei)對人體無毒無害的防(fang)(fang)(fang)火隔熱材料(liao)(liao)，并配以(yi)防(fang)(fang)(fang)火五金(jin)配件所組成的具有一定耐火性(xing)能(neng)的門(men)(men)。這種防(fang)(fang)(fang)火門(men)(men)的耐火限均在1.2H以(yi)上(shang)。

鋼木(mu)(mu)質防火(huo)門即木(mu)(mu)板(ban)(ban)(ban)鐵皮防火(huo)門，采用(yong)雙(shuang)層(ceng)木(mu)(mu)板(ban)(ban)(ban)外(wai)包(bao)鍍鋅鐵皮或(huo)雙(shuang)層(ceng)木(mu)(mu)板(ban)(ban)(ban)單面鑲石膏板(ban)(ban)(ban)外(wai)包(bao)鐵皮，也可以采用(yong)雙(shuang)層(ceng)木(mu)(mu)板(ban)(ban)(ban)、雙(shuang)層(ceng)石棉外(wai)包(bao)鐵皮。