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We offer a range of both 30 and 60 minute air transfer grilles. These are designed for use in fire resisting doorsets and compartment walls.When dormant the grilles enable air to be circulated throughout the building, in the event of a fire they are designed to close and restrict the flow of hot gases and fire.
• Up to 1 hour fire resistance
• The frames are constructed from Zintec Mild Steel
• The system is easy to install and maintenance free