Fire doors are mainly used for fire isolation at key fire protection positions. Fire doors can prevent smoke and fire from spreading and spreading.

ukuhlolwa komnyango ongangeni umlilo,umnyango wensimbi vs i-fiberglass, ifektri yomnyango wensimbi,umnyango wensimbi wokuvikela,iminyango yamafulethi ukumelana nomlilo,isivalo somnyango wezimo eziphuthumayo,umnyango wezimo eziphuthumayo, umenzi womnyango ongashayi umlilo,

imithetho yomnyango wokuphuma komlilo, isici sokuphuma kobubanzi bomnyango,ukuhlolwa komnyango ongangeni umlilo,ibha yokuphusha umnyango wokuphuma komlilo,umnyango wensimbi wokuvikela,umnyango womlilo, umnyango wensimbi, umnyango ongenamlilo onengilazi, umnyango olinganiselwe umlilo wokhuni,isivalo somnyango wezimo eziphuthumayo,

uhlaka lomnyango wensimbi, umnyango womlilo wensimbi,ukuhlolwa komnyango ongangeni umlilo,ukhiye womnyango wezimo eziphuthumayo,umnyango wensimbi wokuvikela,iminyango elinganiselwe umlilo kwezohwebo,isivalo somnyango wezimo eziphuthumayo