Intumescent Fire Grilles tested to: BS EN 1634-2
A durable ventilation grille which is easily mounted in doors & walls, and can provide in excess of 1/2 or 1 hour fire protection. The Fire Grille comprises of a moisture resistant intumescent core within a galvanized steel frame with vermin proof 6mm steel mesh fitted to both faces.
Suitable for fitting up to 1,000mm (1m) from floor level.
The design allows a free area of 80% approximately. See the air-flow table in the photos for guidance.
All square and rectangular grilles are available to suit 30 minute or 60 minute fire rated applications.
Maximum single grille size is 600 x 600 mm or equivalent area.
Circular grilles are available in 100, 125, 150, 200, 225, 250 and 300mm diameter sizes and are 60 minute fire rated