Fire Resistant Grilles GE120
Rectangular fire resistant ventilation grilles are applicable for fire compartmentation within buildings. The grille is made of lamellas, which swell at a temperature of approximately 100°C, thereby closing the opening. The fire resistant grilles are only applicable in systems without pressure or systems where in case of fire, the installation immediately shuts down, thereby assuring no pressure on the fire resistant grilles. The fire resistance is for about 120 min. In order to reach 4 hours of fire resistance, a second grill must be installed after the first one.
This type of grilles should not be installed outside the building and should be kept away from water's reach.
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