Ntoo fireproof qhov rooj yog lub qhov rooj uas muaj qee yam hluav taws kub, uas yog ua los ntawm cov khoom siv hluav taws kub-resistant xws li lub qhov rooj, lub qhov rooj nplooj ntoo thiab lub qhov rooj nplooj vaj huam sib luag, thiab muaj cov khoom tsis muaj tshuaj lom thiab tsis muaj teeb meem hluav taws kub thiab thermal rwb thaiv tsev rau tib neeg lub cev, thiab yog nruab nrog fireproof hardware fittings. Qhov haum clearance nruab nrab ntawm lub qhov rooj tua hluav taws thiab lub pob khawm ntawm lub qhov rooj thav duab yuav tsum tsis txhob ntau tshaj qhov ntev kam rau ua tau teev nyob rau hauv cov duab kos duab.