At present, there is no size of fire doors, but the fire resistance limit of fire doors. After the fire door is installed and closed, the gap should not be too large, otherwise the sealing performance of the fire door is difficult to guarantee, and it is difficult to reflect its function of inhibiting the spread of fire and flue gas under fire conditions.

hollow metal doors glass,sahani iliyopimwa moto kwa teke la mlango,hollow metal doors & frames,embossed hollow metal doors,

mtengenezaji wa mlango sugu wa moto,hollow metal doors glass,mlango wa usalama wa chuma mara mbili na vifaa, picha za milango ya usalama ya mbao kwa gorofa, milango ya usalama 820,hollow metal doors & frames,picha ya mlango wa usalama, milango 9 ya ndani,embossed hollow metal doors,mlango wa paneli ulioandikwa,

mlango wa mbao usio na moto,hollow metal doors glass,matumizi ya mlango wa dharura wa kutokea, mlango uliokadiriwa moto ul, makazi yaliyokadiriwa moto