Intumescent Grilles for Fire Doors.
All intumescent fire grilles are tested to BS EN 1634-2.
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.
Vermin proof mesh
Fire Tests:
Warrington Fire Research: Global Assessment C100767
Chiltern International Fire: FEA/F96117
Trada/Chiltern: RF95041
LOUVERED COVER PLATES:
We can supply steel Louvered Cover Plates (Air Transfer Plates) manufactured from a robust fabricated 2Oswg mild steel matched to the appropriate fire grille dimensions.
Cover plates have a Satin Anodised Aluminium appearance.
