Layflat Ventilation Ducting
Forced ventilation ducting is made of PVC coated polyester fibre with a combination of fire retardant, anti static, tear resistant and rot resistant. See link for FRAS certification under Semi Rigid Heading
Black (or other colour on request)
Can be supplied in any length (usually in 50M lengths) and most diameters. Fully welded construction with integrated suspension system, steel wire end rings and a variety of joining mechanisms including zippers and velcro.
A continuous single suspension apron made from strong ducting material is welded to the duct longitudinally. Brass eyelets are inserted for ease of hanging.