Verified by manufacturer 6 months ago
Covers for air transfer grilles
Lorient Vision proof flanged grille suitable for surface mounting onto doors, wall or partitions.
Cover grille for selected air transfer grilles, surface-mountable onto doors, walls or partitions. Especially useful for narrow doors or fireblock installations.
Not recommended for use on exterior walls* or areas with high levels of moisture.
*Weather louvre alternatives available.
Range of vision-proof flanged grilles suitable for surface mounting onto doors, walls or partitions.
Particularly suited to narrow doors or fireblock installations.
Features and benefits:
Color | Silver Other Manufacturer guidanceProduct update: the satin silver finish has changed to RAL 9006 (05/1/23)  | 
Finish | Powder-coated  | 
Material | Aluminium  | 
Shape | Square  | 
Length | Manufacturer guidanceCover Grilles can be supplied in a wide range of sizes to suit the intumescent dampers. Sizes from 100 x 100mm up to 1200 x 1200mm in either configuration offer great flexibility when selecting grille sizes. Each cover grille is manufactured to the nominal aperture size + 80mm.  | 
Width | Manufacturer guidance
  | 
Height | Manufacturer guidance
  | 
Uniclass | |
CAWS | U90/360 Air transfer grilles P21/66 Door-mounted air transfer grilles U90/360 Air transfer grilles P21/895 Door-mounted air transfer grilles  | 
SKU Code | NV6  | 
Classification data | |
Configuration | Manufacturer guidanceFor use with air transfer grilles LVV40; LVH44; LVV40S; LVH44+LVH20S. Consult manufacturer for details.  | 
Size | 200 x 200 mm. Guidance for specification option: Air transfer grille (ATG) nominal size. 
 300 x 300 mm. Guidance for specification option: Air transfer grille (ATG) nominal size. 
 400 x 400 mm. Guidance for specification option: Air transfer grille (ATG) nominal size. 
 Manufacturer guidanceDepth: 29 mm. Maximum aperture size: 
  | 
Equivalent area (minimum) | 45%.  | 
Material and finish | Aluminium, powder coated.  | 
Colour | White. Silver. Other. Guidance for specification option: Non-standard; consult manufacturer for details and insert requirements.  | 
Country of product manufacture | United Kingdom  |