| Quality Assurance system assessed to BS EN ISO 9002.|
4 hour fire resistance.
Casings are manufactured from 1.2mm galvanised mild steel. Blades are specially rollformed from 0.8mm galvanised mild steel as standard. Curtains held outside airstream (top of unit in the image).
All fire dampers are to be installed in accordance with the manufacturer's instructions; a copy of which can be found here.
Please note that dimensions are defined by duct size, not overall size. Dimensional data can be found by clicking on the image on the pages that follow.
Please use the drop down menu below to select the width of the fire damper required (left to right in the image).