Fireproof door RSD-FR

roll upsteelgalvanized steel

RSD-FR Fire Rated Roller Shutter Doors. Roll up doors fire rated 2 hour or 3 hour, installed at fire-isolation area The door can be controlled by the fire control center, and it can also be equipped with sensors like smoke sensor or temperature sensor directly. When there is fire accident, the door can receive the fire accident signal and automatically close to prevent spreading of fire. It is used in fire compartment or escape passage of factories, commercial buildings, and supermarkets. Made from special fireproof material, it can prevent spreading of fire and protect life and property. According to international fire protection standard, fire roller shutter door is classified into three types according to its fire rated time, namely Grade B, Grade A and Grade A+ Grade B: Single Skin Steel Fire Roller Shutter Door, fire rating 2 hour Single layer galvanized steel slats. The thickness reaches 1.0mm or 1.2mm thick. Grade A: Double Skin Steel Fire Roller Shutter Door, fire rating 3 hour Double layer galvanized steel slats, filled with fireproof silicate rock wool. The wool has excellent thermal-stability, and can resist 1200 ℃. And it can prevent both fire and heat spreading. Grade A+）Double Layer Curtain Fire Roller Shutter Door, fire rating 3 hours The door panel consists of two separate curtains, with 300mm space betweenthem. Standard operation method: Control button box, with Up, Down and Stop buttons;