High Performance double pass extruded aluminium curved blade louvre pitched at 50mm. Designed with Irish climatic conditions in mind, to minimise rain penetration whilst maintaining a good airflow. Tested at BSRIA to Class A3 up to 2.4 m/s face velocity; the top performing horizontal louvre tested to date. This louvre also has the benefit of  non vision  through the louvre viewed from any angle.

QEF 50HP Louvre brochure QEF 50 HP Louvre

QEF 50HP Louvre Data Sheet QEF- 50 High Performance Blade Data Sheet – Rev B