The steel fire door has good heat insulation and smoking effects, reducing the entry and diffusion of tobacco poisons, and avoiding the rapid death of trapped people due to the inhalation of toxic smoke.

https://ztfiredoor.com/13548.html

fire rated attic access hatch,aluminium external fire doors,د اور مقاومت داخلي دروازې،سوځول شوې دروازه,د اور ضد فولادو دروازه،fire rated attic access hatch,د اور وژنې دروازې قیمت،aluminium external fire doors,wide fire door,سوځول شوې دروازه,د اور وژنې وړې دروازې،fire rated attic access hatch,fire door pocket door,fire resistant front door,سوځول شوې دروازه,28 x 80 د اور وژنې دروازه،aluminium external fire doors,په 2 ساعت دیوال کې د دروازې د اور وژنې درجه