There are many different materials for fire doors, and different materials have different fire performance and different effects. When customizing fire doors, fire rating requirements should be installed according to the actual situation. The fire protection rating is relatively high, and the price may also be relatively high.

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.