The steel wood fireproof door is made of steel and fireproof wood products. The filling in the door frame and door leaf is a non-toxic and harmless fire insulation material for human body. The fire limit of this fire door is above 1.2H.

Varavaran’ny afo ZHTdoors, traikefa famokarana 31 taona amin’ny varavarana afo sy Windows. Ny UL lehibe varavarana afo, EN varavarana afo, BS EN afo varavarana, sns.