Our specialty at Velar Duct Fabrication is fabricating ducts from a range of metals, such as galvanized sheet metal (16–26 gauge), stainless steel, aluminum, and black iron grease duct. We take pleasure in producing high-quality products that either meet or surpass our clients' expectations, and we customize our duct fabrication services to suit their demands.We stock a wide range of 3" to 24" spiral pipe and fittings. Depending on the scale of the task, our staff will fabricate your 26" to 54" pipe and fittings in a matter of hours or days upon request. All internal double wall pipes, whether perforated or solid core, are custom-made. We manufacture all of our spiral pipe in our facility in Fairfield, NJ.