As the name implies, steel fire doors are made of steel. The main advantages of steel fire doors are fire resistance and heat insulation, because the melting point of steel is relatively high.

ọkụ gbara ọnụ ụzọ na louvre,ígwè eji amịpụta ụzọ imewe, ígwè ma ọ bụ fiberglass ụzọ,fireproof door frame,mkpọchi ọnụ ụzọ mberede,steel exterior door,

ọnụ ụzọ mpempe akwụkwọ metal,steel exterior door,enyo mgbawa ọnụ ụzọ mberede, ọnụ ụzọ na-egbochi ọkụ maka ụlọ,ọkụ gbara ọnụ ụzọ na louvre,20 nkeji ọkụ gbara ọnụ ụzọ,fireproof door frame,

steel exterior door,Nnwale ọnụ ụzọ ọkụ, oghere ọnụ ụzọ ọkụ,ọkụ gbara ọnụ ụzọ na louvre,ụkpụrụ ọnụ ụzọ na-eguzogide ọkụ,oghere ọnụ ụzọ ọkụ