Raws li peb paub, steel qhov rooj hluav taws yog qhov peb hu ua hlau hluav taws qhov rooj. Lub qhov rooj ncej, qhov rooj nplooj ncej thiab lub qhov rooj nplooj vaj huam sib luag ua los ntawm cov ntaub ntawv hlau yog siv rau qhov rooj tua hluav taws. Lub qhov rooj nplooj yog ntim nrog cov tsis muaj tshuaj lom thiab tsis muaj teeb meem hluav taws xob thiab cov khoom siv thermal rwb thaiv tsev, thiab nruab nrog cov khoom siv hluav taws xob tsis zoo los ua lub qhov rooj nrog qee qhov hluav taws kub, yog li nws cov hluav taws kub zoo heev.

hlau qhov rooj jamb,hluav taws kub qhov rooj vs qhov rooj qub, hluav taws kub ntsuas qhov rooj ncaws phaj,Hlau qhov rooj muab tub lim, hlau qhov rooj sab hauv,

Hluav taws kub resistant qhov rooj chaw tsim tshuaj paus, hluav taws kub resistant qhov rooj rau tsev, fireproof lub qhov rooj, hluav taws kub pov thawj qhov rooj,hlau qhov rooj jamb,hluav taws kub ntsuas qhov rooj thickness,hlau qhov rooj qhov muab tub lim,hluav taws kub ntsuas qhov rooj 2 teev, hluav taws kub ntsuas qhov rooj 90 feeb,hlau qhov rooj sab hauv,

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