Lub qhov rooj hluav taws kub rwb thaiv tsev yog lub qhov rooj uas tuaj yeem tiv taus hluav taws kub, tiv thaiv hluav taws kub thiab cov pa taws cais tawm hauv qee lub sijhawm thiab yog tsim los ntawm cov hlau tsis huv thiab lwm yam khoom siv nrog cov nplaim hluav taws. Lub qhov rooj steel insulated fireproof tuaj yeem muab tso rau hauv qhov hluav taws kub, tshem tawm staircase, ntsug ncej thiab lwm txoj haujlwm khiav.

hluav taws kub khiav qhov rooj qhib qhov loj,hluav taws kub ntsuas qhov rooj kick phaj,hluav taws qhov rooj closer loj qhia, ob nplooj ntoos hluav taws nyob qhov rooj loj,

hluav taws kub resistant qhov rooj manufacturers,hluav taws kub khiav qhov rooj qhib qhov loj,ob chav steel ruaj ntseg qhov rooj nrog kho vajtse, duab ntawm ntoo kev ruaj ntseg qhov rooj rau flats, ruaj ntseg qhov rooj 820,hluav taws qhov rooj closer loj qhia,kev nyab xeeb qhov rooj yees duab, 9 ko taw qhov rooj sab hauv,ob nplooj ntawv hluav taws nyob qhov rooj loj,labeled vaj huam sib luag qhov rooj,

ntoo fireproof doorshollow,hluav taws kub khiav qhov rooj qhib qhov loj,siv qhov rooj thaum muaj xwm ceev, hluav taws kub ntsuas qhov rooj ul, hluav taws kub ntsuas qhov rooj nyob