Duct fitter & duct fitters improver required for a commercial project in Sheffield S8 Starting asap 1 months work 10 hour days Paying £28 per hour for duct fitters & £19 per hour for duct fitters improvers. Duct fitters & duct fitters improver required to work on a commercial refurbishment project installing and fitting ventilation HVAC ductwork whilst working from drawings. You must have a valid CSCS card and be able to provide references where you have carried out similar work