Aluminium Controllable Internal Louvre Grille 442
Aluminium ventilator for cavity walls.
Ventilator unit with external aluminium louvre panel, internal aluminium slotted plate, hit-and-miss airflow control and galvanized steel connecting sleeve, for cavity wall recess mount.
- Enables secure, weather resistant ventilation with exclusion of insects. Airflow 15 m³/h for 2 Pa.
- Choice of finish.
- Exterior louvre panel with projecting flange. 21 mm (maximum) flange overlap.
- Interior slotted plate with projecting flange, internal slotted slide and slide knob control.
- Sliding connection sleeve to suit wall thickness 245–400 mm.
- Spring clip fixing.
| Material | Aluminium alloy: AlMgSi 0.5 to DIN 1748 |
| Uniclass 2015 | |
| CAWS | F30/17 Ventilation ducts in external walling F30/171 Ventilation ducts in external walling |
| Product Reference | Aluminium Controllable Internal Louvre Grille 442 |
| Finish (aluminium components) | Anodized, bronze25 µ. Type E6/ EV1 to DIN 17611. Anodized, natural25 µ. Type E6/ C34 to DIN 17611. Polyester powder coating, RAL colour ___, sheen ___ %60–70 µ. Polyester powder coating, Syntha Pulvin colour ___, sheen ___ %60–70 µ. |
| Other requirements | Mesh, 2.3 x 2.3 mmStandard option. Grade 304 stainless steel. |
| Standard product features | Size (w x h without flange): 265 x 90 mm. Material: Aluminium alloy: AlMgSi 0.5 to DIN 1748. |