FIRE RESISTANT VENTILATION
Fire Resistant Air Transfer Grille
Frame and slats out of plastic shells filled with intumescent material based on sodium silicate.
Grille Thickness: 40 mm.
Free passage: approximately 70%.
Maximum size 600×600 mm.
Up to 120 minutes fire resistant.
When subjected to heat, the intumescent core will expand and prevent the passage of fire and hot smoke.
Suitable for use in fire walls and doors, where they are not directly in contact with the outside