Intumescent Fire Grille medium sizes

Our intumescent fire grilles are supplied in a huge number of sizes - this product is for medium sizes from 300x100mm to 300x300mm variations - choose your preferred size option.

These grilles are designed to normally allow air to flow freely, but then provide a seal in the door by the intumescent material swelling when heated in a fire situation. These are commonly installed within plant room doors to ensure ventilation, but to also prevent fire/smoke from spreading.

They are simple to fit into doors & walls and provide in excess of 1 hour fire protection. Each grille comprises of a moisture resistant intumescent core within a galvanised steel frame with vermin proof 6mm steel mesh fitted to both faces, grille depth is 42mm.

These fire grilles are not supplied with Air Transfer Plates, please our separate listings

The grilles would normally be fixed into position, then a mastic seal applied to the outer edge. Please view the Astroflame installation informational video: HERE

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