According to customer order we supply all required forms of ducting, standard as well as special items. Design of flanges is profiled, angled, or a "Press Flange Profile”. Execution according to the required pressure in the ducting is ND - low pressure, HD1, HD2 - high pressure, according to the environment possibly the hygienic and waterproof performance. Ducting are reinforced with breaching, for dimensions above 1000 mm are used for firming spacers bars. The prices are dependent on the material thickness.