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  Home > Fire Door Protection > Intumescent Fire Grilles

Intumescent Fire Grilles by Astroflame


Fire Grilles

Astroflame brand intumescent ventilation grilles for installation in fire doors & walls.

Provide up to 1 hour fire protection BS EN 1634-2.

Grilles have 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.

Suitable for mounting up to 1,000mm (1m) from floor level.

The design allows a free area of approx 80% for ventilation (without the use of cover plates).

Matching cover plates (Air Transfer Plates) are available.

Fire Test:
Warrington Fire Research: Global Assessment C100767
Chiltern International Fire: FEA/F96117
Trada/Chiltern: RF95041

Dimensions:
Grille Depth is 42mm.

Grille W x H as shown (last 6 digits of product code confirm dimensions Eg.
  AFFG250100 means Width  250mm x Height 100mm

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

Over 70 sizes available from stock.

Fire Grilles 100x100mm to 250x250mmFire Grilles 100x100mm to 250x250mm
Tested to BS476: Part 22: 1987 EN 1634-1 | 60 minutes fire rating | Approx. 80% free air flow | For use in doors & walls | NHBC Type Approval.
Fire Grilles 300x100mm to 350x350mmFire Grilles 300x100mm to 350x350mm
Tested to BS476: Part 22: 1987 EN 1634-1 | 60 minutes fire rating | Approx. 80% free air flow | For use in doors & walls | NHBC Type Approval.
Fire Grilles 400x100mm to 600x600mmFire Grilles 400x100mm to 600x600mm
Tested to BS476: Part 22: 1987 EN 1634-1 | 60 minutes fire rating | Approx. 80% free air flow | For use in doors & walls | NHBC Type Approval.
Circular Fire GrillesCircular Fire Grilles
Circular fire grilles in 100, 125, 150, 200, 225, 250 and 300mm diameter sizes. Tested to BS476. 60 minute rated.


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