Roof extractions are normaly offered with axial flow fan or heavy-duty exhaust fan.
Roof closing sheet is so designed to avoid leakage of rainwater.
The cowl is designed for optimum aerodynamic efficiency.
Roof extractors can be offered for inclined roof and flat roof.
AFE under take study of the site and suggest size of roof extractors required for ventilation.
Roof extractors of smaller size can be offered in centrifugal model.