Available in sizes up to 2000mm by 2000mm, and a very high coefficient of discharge, the Swift Flap Type Roof Ventilator offers excellent performance characteristics.

The body and flaps are available in extruded and precision formed sheet aluminium. The body and flaps can also be insulated.

The blades can be fitted with triple wall polycarbonate that allows excellent day lighting. Insulation and a range of manual, electric and pneumatic actuators are available to suit each installation. Base flanges are available to suit curbs, profiled sheets and standing seam roofs.

For the Casement Ventilator, optional perimeter flashings are available to suit particular applications.

A comprehensive range of finishes is available.