Fireproof qhov rooj tsis tsuas yog muaj kev ua haujlwm ntawm lub qhov rooj zoo tib yam, tab sis kuj muaj kev ua haujlwm ntawm kev tiv thaiv kev sib kis ntawm hluav taws. Thaum muaj hluav taws kub, lub qhov rooj hluav taws ntawm lub stairwell tuaj yeem tiv thaiv kev nkag mus, kev sib kis thiab kev sib kis ntawm cov foob pob hluav taws hauv ib lub sijhawm, uas yuav txuag tau lub sijhawm zoo rau kev khiav tawm hluav taws.