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Duraduct spiral wound and welded products are the ultimate in lightness and strength for ventilation, ducting and piping systems, culverts and formwork in a range of diameters from 76 mm to 5000 mm and material thickness from 0.5 mm to 3.0 mm. They can be produced in galvabond, mild steel, stainless steel or aluminium, it is available in any length, and with or without various corrugation profiles to exceed current standards.
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