Wektu tahan geni saka lawang geni antara setengah jam nganti telung jam. Wektu tahan geni saka lawang geni Kelas A paling dhasar ora kurang saka 1.5 jam; wektu tahan geni lawang geni Kelas B ora kurang saka 1.0 jam; wektu tahan geni lawang geni Kelas C ora kurang saka 0.5 jam. Mangga takon kita kanggo lawang geni karo tahan geni maneh.

outswing steel security door,piring tendangan lawang sing dirating api,labor cost to install steel security door,steel security doors on sale,

produsen pintu tahan api,outswing steel security door,lawang keamanan baja pindho karo hardware, bahan lawang tahan geni,labor cost to install steel security door,Ketebalan lawang sing dirating api, lawang keamanan baja ngarep,steel security doors on sale,lawang sing dirating api 90 menit, lawang panel berlabel,

lawang kayu tahan geni,outswing steel security door,lawang metu darurat nggunakake, geni dirating lawang ul, geni dirating lawang omah