- 20
- Oct
أبواب داخلية مقاومة للحريق
Generally, the stairwell of the apartment shall be equipped with steel Grade B fire door. Steel fire doors are mostly treated by surface painting; Windows, louvers, ventilation louvers, etc. can be set as required.
Generally, the stairwell of the apartment shall be equipped with steel Grade B fire door. Steel fire doors are mostly treated by surface painting; Windows, louvers, ventilation louvers, etc. can be set as required.