Movable blade louvres are suitable for supply and extract and providing a means of volume control. Fully open, the blades, integral rain lip, are at 45° with a 100mm pitch and flanges are 38mm. Blades are manually operated from the rear as standard. Manual front operated and electric actuators are available.
MBL louvres are manufactured from extruded aluminium sections, the mitred corners being fully welded. All pivots on both blades and link bars rotate in nylon bearings. Bird guard and Insect Mesh are optional extras.
External Louvres are supplied in Mill Finish as standard, or polyester powder coated to the customers colour requirement.