Internally Lined Single Blade Dampers

Internally lined pre insulated spiral ductwork and fittings. Manufactured in 1500mm lenghts and internally lined with Class O 6mm barafoam used for it’s thermal and acoustic properties. Ideal for mainting the external aesthetics of spiral ductwork without the need of ductwrap. Generally used from air conditioning units within exposed ceilings. Other sizes and lengths available on request