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Description
Intuchem Intumescent air transfer grille is a durable ventilation grille which is easily mounted in Fire doors, & solid walls, and can provide in excess of 60 Minutes fire rating.
Suitable for mounting up to 1,000mm (1m) from floor level.
Comprising of an intumescent slated core within a galvanized steel frame with vermin proof mesh fitted to both faces.
The design allows a free area of 80 approximately - see our table below for guidance
Maximum grille size is 600mm² or equivalent area, or use a combination of grilles up to a maximum size of 1500 x 1000mm.
Circular grilles are available in 100, 125, 150, 200, 225, 250 and 300mm diameter sizes.
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Fire Grilles
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