Firestop ventilation grilles INTU FR GRILLE are made from material that expands under the influence of temperature above 140°C. Intumescent inserts close the ventilation holes during a fire, preventing the spread of flame and smoke.
INTU FR GRILLES are installed in the ventilation holes in walls and floors.
The material swelling during a fire fills the hole completely, preventing flame and smoke from entering adjacent rooms.
Rigid walls:
The wall must be at least 150mm thick and have concrete, cellular concrete structure or masonry structure, with a minimum density of 600kg/m3
Rigid floors:
The floor must be at least 150mm thick and have concrete, cellular concrete structure or masonry structure, with a minimum density of 1700kg/m3
APPLICATION CONDITIONS:
Maximum ambient temperature:
Compilance:
Store in dry and cool conditions at temperatures between +5°C and +25°C.
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