High Frequency PVC Welder Got a steady hand and an eye for a straight line? At Covertec Structures, that''s the skill that matters most, and full training is given on everything else. About Covertec Structures Covertec Structures is a family-run manufacturer based in Lutterworth, Specialists in manufacturing outdoor industrial Rollerblinds and weather protection products for the agricultural indust click apply for full job ..... full job details .....