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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 & solid block 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 and 60 minute fire rated.  

​​​​​​​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 BS 476: Part 22 1987 and EN 1634: Part 2 | 60 minutes fire rating | Approx. 80% Free Area | For use in doors & walls
Fire Grilles 300x100mm to 350x350mmFire Grilles 300x100mm to 350x350mm
Tested to BS 476: Part 22 1987 and EN 1634: Part 2 | 60 minutes fire rating | Approx. 80% Free Area | For use in doors & walls
Fire Grilles 400x100mm to 600x600mmFire Grilles 400x100mm to 600x600mm
Tested to BS 476: Part 22 1987 and EN 1634: Part 2 | 60 minutes fire rating | Approx. 80% Free Area | For use in doors & walls
Circular Fire GrillesCircular Fire Grilles
Circular fire grilles in 100, 125, 150, 200, 225, 250 and 300mm diameter sizes | Fire tested to BS 476: Part 22 1987 and EN 1634: Part 2 | 60 minute rated


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