I-XSF Fire Resistant Shutter yakhiwe, yahlolwa, futhi yafakwa ngokwezinga lezwe.
Uma kuba nomlilo, isivalo esikwazi ukumelana nomlilo sizovala ngokuzenzakalelayo futhi lokhu kuzohamba kancane futhi kuvimbele ukubhebhetheka komlilo.
Ngokugcina umlilo uvinjelwe, isivalo esingavimbeli umlilo singavumela abagibeli abaningi ukuba baphume ngokuphepha esakhiweni ngesikhathi esiphuthumayo.Kuzosiza nokuvikela impahla kanye nempahla ngesikhathi izicishamlilo zisebenzela ukucisha ilangabi.