External wall grille 400x500 aluminium with fixed vanes and protective mesh
The aluminium external wall grille has fixed blades at a 45° angle. The external louvre is suitable for both air supply and extraction and is simple to mount using a screw fixing. The external louvre comes with a bird screen, fitted onto the rear and with a mesh opening of 12.7 x 12.7mm.
|External louvre features ||Value|
|Nominal length ||400 mm|
|Nominal height ||500 mm|
|Assembly ||Screw fixing, holes to be determined during installation|
|Vanes ||Fixed and horizontal-only position|
|Vane distance ||80 mm|
|Vane position ||45°|
|Protective mesh at rear ||Yes, wire mesh with 12.7m x 12.7mm mesh opening|
|Free flow area ||Approx. 60%|
The nominal length and height shown is the size of the cutout where the wall grille is mounted, also known as the opening size. If you have a wall grille with visible screw fixings, we supply screws to match your chosen mixed colour.
External louvre colours
All wall grilles can be supplied in a mixed colour for you (see table). Mixed colours are paint finishes which are mixed specifically for you. All products come on 90-day approval (except for products finished with a 'mixed colour blend').
|Mixed colour ||Name ||Coating ||Finish|
|RAL9010 (tip) ||Pure white ||Powder coating ||70% gloss|
|RAL9003 ||Signal white ||Powder coating ||70% gloss|
|RAL7001 ||Silver grey ||Powder coating ||70% gloss|
|RAL9005 ||Black ||Powder coating ||30% gloss|
|RAL9016 ||Traffic white ||Powder coating ||70% gloss|
(mixed colours shown in photos may differ slightly)
Want a different mixed colour? This is possible - please contact us for a custom quote.