Profile: Impact Ducting Ltd. is a manufacturer of circular and rectangular duct works. Our product line includes rectangular, round & flat oval ducting, silencers, flexible ducting, set screws, nuts, threaded rods, floor & wall fixings, rivets, suspension equipments, grilles, louvers, dampers, diffusers, guards, stainless steel flue systems and enclosures. We also stock self drilling screws, cartridge guns, drill bits, gasket tapes, beam clamps and flat bar flanges.