Airtrace/HVAC sheet metal ductwork/Steelwork fabrications | AirTrace Whether it's ductwork, steelwork or bespoke sheet metal fabrication, if you can draw, it we can make it. Call us to talk about how we can help your project. Whether it's ductwork, steelwork or bespoke sheet metal fabrication, if you can draw, it we can make it. Call us to talk about how we can help your project.