Intumescent Fire Grilles

Durable ventilation grilles which are easily mounted in doors & walls and provide up to 1 hour fire protection.

The Fire Grille comprised of a moisture resistant intumescent core within a galvanized steel frame with vermin proof 6mm steel mesh fitted to both faces.

All square and rectangular grilles are available as 30 minute fire rated 26mm thick or 60min fire rated 40mm thick.  

Grilles sold here are all 60 minute rated - ask us about 30 minute rated grilles.

Maximum single grille size is 600mm², although a combination of grilles may be fitted together as a system to achieve a maximum size of 1500 x 1000mm - see examples below.

800mm				Typical combinations of smaller fire grilles to fill a large aperture eg. aperture size 1000mm x 800mm
400mm	400mm
		200mm
				1000mm
1500mm				500mm x 400mm	500mm x 400mm	800mm
500mm	500mm	500mm
			300mm
				500mm x 400mm	500mm x 400mm
Not suitable for use in Air Conditioning Systems

 Fire Test: Warrington Fire Research: Global Assessment C100767

Chiltern International Fire: FEA/F96117

Trada/Chiltern: RF95041

Fire Grilles 100x100mm to 250x250mm Tested to BS476: Part 22: 1987 | 60 minutes fire rating | Approx. 80% free air flow | For use in doors & walls | NHBC Type Approval.	Fire Grilles 300x100mm to 350x350mm Tested to BS476: Part 22: 1987 | 60 minutes fire rating | Approx. 80% free air flow | NHBC Type Approval.
Fire Grilles 400x100mm to 600x600mm Tested to BS476: Part 22: 1987 | 60 minutes fire rating | Approx. 80% free air flow | For use in doors & walls | NHBC Type Approval.	Circular Fire Grilles Circular fire grilles in 100, 125, 150, 200, 225, 250 and 300mm diameter sizes. Tested to BS476. 60 minute rated.