Fixed Linear Bar Grilles

For supply or extract air, having a single set of fixed blades, available with various blade styles and blade pitches. Quick release core provides easy access to rear and concealed fixing facility. Suitable for wall, cill or ceiling mounting.


From extruded aluminium sections, frame 1.6mm thick, blades 3.3mm tapering to minimum 1.3mm thick.

Blade centres set at 12.5mm as standard. 6mm, 10mm, 15mm and 20mm centres also available.

Hairline mitres mechanically held. Optional OBD is of extruded aluminium.

Size and Weight

Height from 75mm to 600mm in 25mm increments. Widths or lengths from 100mm to 3000mm in a single unit. Longer lengths can be supplied as multiple units.

Grille only 10.5kg/m2, Grille and OBD 18.5kg/m2.

Free area approximately 77% (12.5mm blade pitch).

Spec with NBS Chorus
Fixed Linear Bar Grilles product image
Fixed Linear Bar Grilles

Grille range

High Security Grille product image
Security Grille

Security Grille

Stainless steel type complies with Home office recommendations for Anti-ligature applications. For supply, air transfer/extract applications.